← API network HEALTH / PREGNANCY / FERTILITY / TRACKING

Direct Platform Unversioned / General Availability api.dakidarts.comDirect gateway

Pregnancy Calculator API

A reproductive-health calculation suite for due dates, gestational weeks, fertility and ovulation windows, cycle timing, IVF planning and additional reference-range calculators.

Preview examples View on RapidAPI OpenAPI 3.1 ↗ GitHub repository ↗ Release feed ↗

Direct PlatformPR

api.dakidarts.comUnversionedGeneral Availability25ms p9534 documented endpoints

DIRECT NATIVE API

Call Pregnancy Calculator API through the Dakidarts gateway.

0 of 34 endpoints have an upstream URL configured. Other routes return 503 before billing; only send live requests to configured routes. The gateway injects upstream credentials for you.

Live checkout opens after an API route has an upstream URL. Preview examples are available below.

Base URLhttps://api.dakidarts.com/pregnancy-calculator

AuthenticationX-API-Key: dk_live_...

Default reference pathGET /pearl-index

Commercial modelPay-as-you-go / $0.0050 per call

01 / ACCESS

One key, one gateway

Use a Dakidarts API key with read or write scopes and control which APIs that key can reach.

02 / BILLING

Metered by the call

Wallet credits, plan quotas and organization invoices are settled per request with transparent response headers.

03 / RELIABILITY

Observable by default

Latency, upstream status and execution mode are logged so integration issues are visible before they spread.

RAPIDAPI SPOTLIGHTRapidAPI Marketplace

Also available through RapidAPI.

Keep the direct Dakidarts gateway as your primary route, or use the RapidAPI listing when marketplace billing and key management fit your stack better.

View on RapidAPI Plans, keys and usage stay inside RapidAPI.

CAPABILITIES

Built to disappear into the product.

The best API is the one your team can integrate, observe and then stop thinking about.

Last-period and conception-date workflows

Designed as a composable building block for product teams, internal tooling and automation.

Week-by-week reference content in pregnancy tracking routes

Designed as a composable building block for product teams, internal tooling and automation.

GET and JSON POST calculation patterns

Designed as a composable building block for product teams, internal tooling and automation.

PLATFORM FACTS

The shape of the surface.

Selected facts about coverage, delivery and production readiness.

01Due-date and gestational-week estimates

02Fertility, ovulation and period-cycle calculators

03IVF, trimester, Bishop score, MCA, Pearl Index and semen-analysis routes

FAQ

Answers before you integrate.

Access, billing and integration details for Pregnancy Calculator API.

What can the Pregnancy Calculator API calculate? +

Fertility windows, due dates, pregnancy week and weight guidance surfaces.

Who is it for? +

Wellness, family-planning and pregnancy-tracking products.

Is it a medical diagnostic tool? +

No. It provides calculations and guidance surfaces, not medical diagnosis or advice.

How do I get access? +

Subscribe on the Dakidarts dashboard, then call the gateway with an API key.

Can I use it in a consumer app? +

Yes, provided you present appropriate health disclaimers and do not treat the output as medical advice.

SUBSCRIPTION PLANS

Choose a quota that matches the workload.

Plans are shown for reference. Live checkout opens after an API route has an upstream URL.

WALLET-ACCESS

Pay-as-you-go access

$0.00 / month

Wallet credits per call
$0.0050 / call overage
120 req/min

INTEGRATION PATH

From first request to production.

Start with a Dakidarts key, call the gateway, then monitor usage from the dashboard.

Create a Dakidarts key

Choose the API scope, then copy the key into your server environment.

Call the gateway

Send requests to https://api.dakidarts.com/pregnancy-calculator with your key and JSON body.

Watch usage

Track calls, latency and spend from the API dashboard and wallet.

ENDPOINT REFERENCE

Endpoint reference & metered costs.

These routes include contracts imported from the product implementation. 0 of 34 endpoints have an upstream URL configured. Other routes return 503 before billing; saved examples are previews only. Configure an upstream URL in API Studio to enable those routes.

GROUP / 01

Operations

Operations endpoints sourced from the Pregnancy Calculator API implementation.

2 endpoints

GET /status Ping SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Returns Pregnancy Calculator service health.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 16), handler ping, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: ping.

SAMPLE RESPONSE

{
  "status": "API is online"
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/status -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /status Ping SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Returns Pregnancy Calculator service health.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: ping.

SAMPLE RESPONSE

{
  "status": "API is online"
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/status -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

GROUP / 02

Pregnancy calculations

Pregnancy calculations endpoints sourced from the Pregnancy Calculator API implementation.

32 endpoints

GET /dd/lmp Calculate Due Date Lmp SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates due date and pregnancy stage from the last menstrual period.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 23), handler calculate_due_date_lmp, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_due_date_lmp.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	query	integer	Yes	Typical menstrual-cycle length in days.
`last_period_date`	query	string	Yes	First day of the last menstrual period (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "trimester": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "gestational_age": {
      "type": "integer"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/dd/lmp -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /dd/lmp/post Calculate Due Date Lmp Post SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates due date and pregnancy stage from JSON last-menstrual-period data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 52), handler calculate_due_date_lmp_post, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_due_date_lmp_post.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	body	integer	Yes	Menstrual cycle length in days.
`last_period_date`	body	string	Yes	First day of the last menstrual period in YYYY-MM-DD format.

SAMPLE REQUEST

{
  "cycle_length": 28,
  "last_period_date": "2026-01-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "trimester": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "gestational_age": {
      "type": "integer"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/dd/lmp/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"cycle_length": 28, "last_period_date": "2026-01-01"}'

GET /dd/conception Calculate Due Date Conception SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates due date from the conception date.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 82), handler calculate_due_date_conception, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_due_date_conception.

PARAMETERS

Name	In	Type	Required	Description
`conception_date`	query	string	Yes	Estimated conception date (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "trimester": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "gestational_age": {
      "type": "integer"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/dd/conception -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /dd/conception/post Calculate Due Date Conception Post SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates due date from JSON conception-date data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 122), handler calculate_due_date_conception_post, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_due_date_conception_post.

PARAMETERS

Name	In	Type	Required	Description
`conception_date`	body	string	Yes	Estimated conception date in YYYY-MM-DD format.

SAMPLE REQUEST

{
  "conception_date": "2026-01-15"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "trimester": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "gestational_age": {
      "type": "integer"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/dd/conception/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"conception_date": "2026-01-15"}'

GET /pw/lmp Calculate Pregnancy Week SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates pregnancy week and day from the last menstrual period.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 151), handler calculate_pregnancy_week, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_week.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	query	integer	Yes	Typical menstrual-cycle length in days.
`last_period_date`	query	string	Yes	First day of the last menstrual period (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "milestones": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "current_day": {
      "type": "integer"
    },
    "current_week": {
      "type": "integer"
    },
    "common_symptoms": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fetal_development": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/pw/lmp -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /pw/lmp/post Calculate Pregnancy Week Lmp Post SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates pregnancy week and day from JSON last-menstrual-period data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 231), handler calculate_pregnancy_week_lmp_post, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_week_lmp_post.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	body	integer	Yes	Menstrual cycle length in days.
`last_period_date`	body	string	Yes	First day of the last menstrual period in YYYY-MM-DD format.

SAMPLE REQUEST

{
  "cycle_length": 28,
  "last_period_date": "2026-01-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "milestones": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "current_day": {
      "type": "integer"
    },
    "current_week": {
      "type": "integer"
    },
    "common_symptoms": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fetal_development": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/pw/lmp/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"cycle_length": 28, "last_period_date": "2026-01-01"}'

GET /pw/conception Calculate Pregnancy Week C SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates pregnancy week and day from the conception date.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 266), handler calculate_pregnancy_week_c, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_week_c.

PARAMETERS

Name	In	Type	Required	Description
`conception_date`	query	string	Yes	Estimated conception date (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "milestones": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "current_day": {
      "type": "integer"
    },
    "current_week": {
      "type": "integer"
    },
    "common_symptoms": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fetal_development": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/pw/conception -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /pw/conception/post Calculate Pregnancy Week C Post SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates pregnancy week and day from JSON conception-date data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 301), handler calculate_pregnancy_week_c_post, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_week_c_post.

PARAMETERS

Name	In	Type	Required	Description
`conception_date`	body	string	Yes	Estimated conception date in YYYY-MM-DD format.

SAMPLE REQUEST

{
  "conception_date": "2026-01-15"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "milestones": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "current_day": {
      "type": "integer"
    },
    "current_week": {
      "type": "integer"
    },
    "common_symptoms": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fetal_development": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/pw/conception/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"conception_date": "2026-01-15"}'

GET /fw Calculate Fertility Window SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates an estimated fertility window from menstrual date and cycle length.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 333), handler calculate_fertility_window, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_fertility_window.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	query	integer	Yes	Typical menstrual-cycle length in days.
`menstrual_date`	query	string	Yes	First day of the last menstrual period (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "fertility_window_end": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fertility_window_start": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/fw -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /fw/post Calculate Fertility Window Post SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates an estimated fertility window from JSON request data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 363), handler calculate_fertility_window_post, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_fertility_window_post.

PARAMETERS

Name	In	Type	Required	Description
`cycle_length`	body	integer	Yes	Typical menstrual-cycle length in days.
`menstrual_date`	body	string	Yes	First day of the last menstrual period (YYYY-MM-DD).

SAMPLE REQUEST

{
  "cycle_length": 28,
  "menstrual_date": "2026-01-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "fertility_window_end": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "fertility_window_start": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/fw/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"cycle_length": 28, "menstrual_date": "2026-01-01"}'

GET /pwr Calculate Pregnancy Weight Get SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates recommended pregnancy weight change from weight, height, and gestational age.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 386), handler calculate_pregnancy_weight_get, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_weight_get.

PARAMETERS

Name	In	Type	Required	Description
`pre_pregnancy_weight`	query	number	Yes	Weight before pregnancy, in the unit specified by the endpoint.
`height`	query	number	Yes	Patient height, in the unit expected by the endpoint.
`gestational_age`	query	integer	Yes	Gestational age in weeks.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "recommendation_type": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "recommended_weight_change": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/pwr -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /pwr/post Calculate Pregnancy Weight SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates recommended pregnancy weight change from JSON request data.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 439), handler calculate_pregnancy_weight, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: calculate_pregnancy_weight.

PARAMETERS

Name	In	Type	Required	Description
`pre_pregnancy_weight`	body	number	Yes	Weight before pregnancy, in the unit specified by the endpoint.
`height`	body	number	Yes	Patient height, in the unit expected by the endpoint.
`gestational_age`	body	integer	Yes	Gestational age in weeks.

SAMPLE REQUEST

{
  "height": 1.65,
  "gestational_age": 20,
  "pre_pregnancy_weight": 65
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "recommendation_type": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "recommended_weight_change": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/pwr/post -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"height": 1.65, "gestational_age": 20, "pre_pregnancy_weight": 65}'

GET /trimester-calculator Trimester Calc SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Determines pregnancy trimester from the last menstrual period or due date.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 523), handler trimester_calc, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Input rule: Provide either lmp or due_date; the source rejects requests that omit both.

Source contract imported from pnancy/app.py. Handler: trimester_calc.

PARAMETERS

Name	In	Type	Required	Description
`lmp`	query	string	No	First day of the last menstrual period (YYYY-MM-DD).
`due_date`	query	string	No	Estimated due date (YYYY-MM-DD).

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "trimester_ranges": {
          "type": "object",
          "properties": {
            "First Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            },
            "Third Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            },
            "Second Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            }
          },
          "additionalProperties": true
        },
        "current_trimester": {
          "type": "string"
        },
        "days_into_trimester": {
          "type": "integer"
        },
        "days_left_in_trimester": {
          "type": "integer"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/trimester-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /trimester-calculator Trimester Calc SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Determines pregnancy trimester from the last menstrual period or due date.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Input rule: Provide either lmp or due_date; the source rejects requests that omit both.

Source contract imported from pnancy/app.py. Handler: trimester_calc.

PARAMETERS

Name	In	Type	Required	Description
`lmp`	body	string	No	First day of the last menstrual period (YYYY-MM-DD).
`due_date`	body	string	No	Estimated due date (YYYY-MM-DD).

SAMPLE REQUEST

{
  "due_date": "2027-02-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "trimester_ranges": {
          "type": "object",
          "properties": {
            "First Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            },
            "Third Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            },
            "Second Trimester": {
              "type": "object",
              "properties": {
                "end": {
                  "type": "string",
                  "format": "date"
                },
                "start": {
                  "type": "string",
                  "format": "date"
                }
              },
              "additionalProperties": true
            }
          },
          "additionalProperties": true
        },
        "current_trimester": {
          "type": "string"
        },
        "days_into_trimester": {
          "type": "integer"
        },
        "days_left_in_trimester": {
          "type": "integer"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/trimester-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"due_date": "2027-02-01"}'

GET /bishop-score-calculator Calculate Bishop Score SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates the Bishop score from cervical dilation, effacement, consistency, position, and station.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 622), handler calculate_bishop_score, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_bishop_score.

PARAMETERS

Name	In	Type	Required	Description
`dilation`	query	string	Yes	Cervical dilation measurement.
`effacement`	query	string	Yes	Cervical effacement percentage.
`consistency`	query	string	Yes	Cervical consistency category used by the Bishop score.
`station`	query	string	Yes	Fetal station value used by the Bishop score.
`position`	query	string	Yes	Cervical position category used by the Bishop score.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "total_score": {
          "type": "integer"
        },
        "interpretation": {
          "type": "string"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/bishop-score-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /bishop-score-calculator Calculate Bishop Score SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates the Bishop score from cervical dilation, effacement, consistency, position, and station.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_bishop_score.

PARAMETERS

Name	In	Type	Required	Description
`dilation`	body	string	Yes	Cervical dilation measurement.
`effacement`	body	string	Yes	Cervical effacement percentage.
`consistency`	body	string	Yes	Cervical consistency category used by the Bishop score.
`station`	body	string	Yes	Fetal station value used by the Bishop score.
`position`	body	string	Yes	Cervical position category used by the Bishop score.

SAMPLE REQUEST

{
  "station": "-1/0",
  "dilation": "3-4",
  "position": "mid",
  "effacement": "60-70%",
  "consistency": "moderate"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "total_score": {
          "type": "integer"
        },
        "interpretation": {
          "type": "string"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/bishop-score-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"station": "-1/0", "dilation": "3-4", "position": "mid", "effacement": "60-70%", "consistency": "moderate"}'

GET /mca-calculator Calculate Mca SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Interprets middle cerebral artery peak systolic velocity against gestational-age reference values.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 675), handler calculate_mca, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_mca.

PARAMETERS

Name	In	Type	Required	Description
`gestational_age`	query	integer	Yes	Gestational age in weeks.
`mca_psv`	query	number	Yes	Middle cerebral artery peak systolic velocity.
`pregnancy_type`	query	string	Yes	Pregnancy type, such as singleton or multiple.
`unit`	query	string	Yes	Unit for the supplied measurement.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "mom": {
          "type": "number"
        },
        "unit": {
          "type": "string"
        },
        "input_mca_psv": {
          "type": "number"
        },
        "interpretation": {
          "type": "string"
        },
        "median_mca_psv": {
          "type": "number"
        },
        "pregnancy_type": {
          "type": "string"
        },
        "gestational_age": {
          "type": "integer"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/mca-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /mca-calculator Calculate Mca SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Interprets middle cerebral artery peak systolic velocity against gestational-age reference values.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_mca.

PARAMETERS

Name	In	Type	Required	Description
`gestational_age`	body	integer	Yes	Gestational age in weeks.
`mca_psv`	body	number	Yes	Middle cerebral artery peak systolic velocity.
`pregnancy_type`	body	string	Yes	Pregnancy type, such as singleton or multiple.
`unit`	body	string	Yes	Unit for the supplied measurement.

SAMPLE REQUEST

{
  "unit": "metric",
  "mca_psv": 35.0,
  "pregnancy_type": "single",
  "gestational_age": 20
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "mom": {
          "type": "number"
        },
        "unit": {
          "type": "string"
        },
        "input_mca_psv": {
          "type": "number"
        },
        "interpretation": {
          "type": "string"
        },
        "median_mca_psv": {
          "type": "number"
        },
        "pregnancy_type": {
          "type": "string"
        },
        "gestational_age": {
          "type": "integer"
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/mca-calculator -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"unit": "metric", "mca_psv": 35.0, "pregnancy_type": "single", "gestational_age": 20}'

GET /ivf-due-date Calculate Ivf Due Date SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates an IVF due date from embryo-transfer date and transfer type.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 747), handler calculate_ivf_due_date, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_ivf_due_date.

PARAMETERS

Name	In	Type	Required	Description
`transfer_type`	query	string	Yes	Embryo-transfer stage/type used for IVF dating.
`transfer_date`	query	string	Yes	Date of embryo transfer (YYYY-MM-DD).
`pregnancy_type`	query	string	No	Pregnancy type, such as singleton or multiple.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "due_date": {
          "type": "string",
          "format": "date"
        },
        "transfer_date": {
          "type": "string",
          "format": "date"
        },
        "transfer_type": {
          "type": "string"
        },
        "pregnancy_type": {
          "type": "string"
        },
        "gestational_age": {
          "type": "object",
          "properties": {
            "days": {
              "type": "integer"
            },
            "weeks": {
              "type": "integer"
            }
          },
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET 'https://api.dakidarts.com/pregnancy-calculator/ivf-due-date?pregnancy_type=single' -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /ivf-due-date Calculate Ivf Due Date SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates an IVF due date from embryo-transfer date and transfer type.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_ivf_due_date.

PARAMETERS

Name	In	Type	Required	Description
`transfer_type`	body	string	Yes	Embryo-transfer stage/type used for IVF dating.
`transfer_date`	body	string	Yes	Date of embryo transfer (YYYY-MM-DD).
`pregnancy_type`	body	string	No	Pregnancy type, such as singleton or multiple.

SAMPLE REQUEST

{
  "transfer_date": "2026-10-01",
  "transfer_type": "Day-5 embryo transfer",
  "pregnancy_type": "single"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "due_date": {
          "type": "string",
          "format": "date"
        },
        "transfer_date": {
          "type": "string",
          "format": "date"
        },
        "transfer_type": {
          "type": "string"
        },
        "pregnancy_type": {
          "type": "string"
        },
        "gestational_age": {
          "type": "object",
          "properties": {
            "days": {
              "type": "integer"
            },
            "weeks": {
              "type": "integer"
            }
          },
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/ivf-due-date -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"transfer_date": "2026-10-01", "transfer_type": "Day-5 embryo transfer", "pregnancy_type": "single"}'

GET /ivf/planner Ivf Pregnancy Planner SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Plans IVF transfer timing from desired due date and transfer type.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 835), handler ivf_pregnancy_planner, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Input rule: transfer_type is required, along with either desired_due_date or transfer_schedule_date.

Source contract imported from pnancy/app.py. Handler: ivf_pregnancy_planner.

PARAMETERS

Name	In	Type	Required	Description
`transfer_type`	query	string	Yes	Embryo-transfer type used for IVF dating; required.
`desired_due_date`	query	string	No	Target due date (YYYY-MM-DD); provide this or transfer_schedule_date.
`transfer_schedule_date`	query	string	No	Transfer date (YYYY-MM-DD); provide this or desired_due_date.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "mode": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "status": {
      "type": "string"
    },
    "transfer_type": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "estimated_due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "transfer_schedule_date": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/ivf/planner -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /ivf/planner Ivf Pregnancy Planner SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Plans IVF transfer timing from desired due date and transfer type.

Source implementation

Execution note: This route remains source-contract-only until a real upstream is configured.

Input rule: transfer_type is required, along with either desired_due_date or transfer_schedule_date.

Source contract imported from pnancy/app.py. Handler: ivf_pregnancy_planner.

PARAMETERS

Name	In	Type	Required	Description
`transfer_type`	body	string	Yes	Embryo-transfer type used for IVF dating; required.
`desired_due_date`	body	string	No	Target due date (YYYY-MM-DD); provide this or transfer_schedule_date.
`transfer_schedule_date`	body	string	No	Transfer date (YYYY-MM-DD); provide this or desired_due_date.

SAMPLE REQUEST

{
  "transfer_type": "Day-5 embryo transfer",
  "desired_due_date": "2027-02-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "mode": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "status": {
      "type": "string"
    },
    "transfer_type": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "estimated_due_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "transfer_schedule_date": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/ivf/planner -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"transfer_type": "Day-5 embryo transfer", "desired_due_date": "2027-02-01"}'

GET /ovulation Calculate Ovulation SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates ovulation timing and the fertile window from the last period and cycle length.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 915), handler calculate_ovulation, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_ovulation.

PARAMETERS

Name	In	Type	Required	Description
`last_period_start`	query	string	Yes	First day of the last menstrual period (YYYY-MM-DD).
`cycle_length`	query	integer	No	Typical menstrual-cycle length in days.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "cycle_number": {
            "type": "integer"
          },
          "ovulation_day": {
            "type": "string",
            "format": "date"
          },
          "cycle_start_date": {
            "type": "string",
            "format": "date"
          },
          "fertility_window": {
            "type": "object",
            "properties": {
              "end": {
                "type": "string",
                "format": "date"
              },
              "start": {
                "type": "string",
                "format": "date"
              }
            },
            "additionalProperties": true
          },
          "due_date_if_conceived": {
            "type": "string",
            "format": "date"
          }
        },
        "additionalProperties": true
      }
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET 'https://api.dakidarts.com/pregnancy-calculator/ovulation?cycle_length=28' -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /ovulation Calculate Ovulation SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates ovulation timing and the fertile window from the last period and cycle length.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_ovulation.

PARAMETERS

Name	In	Type	Required	Description
`last_period_start`	body	string	Yes	First day of the last menstrual period (YYYY-MM-DD).
`cycle_length`	body	integer	No	Typical menstrual-cycle length in days.

SAMPLE REQUEST

{
  "cycle_length": 28,
  "last_period_start": "2026-01-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "cycle_number": {
            "type": "integer"
          },
          "ovulation_day": {
            "type": "string",
            "format": "date"
          },
          "cycle_start_date": {
            "type": "string",
            "format": "date"
          },
          "fertility_window": {
            "type": "object",
            "properties": {
              "end": {
                "type": "string",
                "format": "date"
              },
              "start": {
                "type": "string",
                "format": "date"
              }
            },
            "additionalProperties": true
          },
          "due_date_if_conceived": {
            "type": "string",
            "format": "date"
          }
        },
        "additionalProperties": true
      }
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/ovulation -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"cycle_length": 28, "last_period_start": "2026-01-01"}'

GET /pearl-index Pearl Index Calculator SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates the Pearl Index from pregnancies, participants, and study duration.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 973), handler pearl_index_calculator, in the pnancy source repository. The source does not declare an API version (Unversioned). The sample response is computed from the source formula using the request values shown; it documents handler behavior, not independent clinical validation or medical advice. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: pearl_index_calculator.

PARAMETERS

Name	In	Type	Required	Description
`num_women`	query	integer	Yes	Number of participants exposed during the study.
`study_duration_months`	query	integer	Yes	Study duration in months.
`num_pregnancies`	query	integer	No	Number of pregnancies observed during the study.

SAMPLE REQUEST

{
  "num_women": 100,
  "num_pregnancies": 3,
  "study_duration_months": 12
}

SAMPLE RESPONSE

{
  "status": "success",
  "summary": "This method has a Pearl Index of 3.0, indicating it is less effective \u274c",
  "pearl_index": 3.0
}

QUICK CURL

curl -X GET 'https://api.dakidarts.com/pregnancy-calculator/pearl-index?num_women=0&study_duration_months=0&num_pregnancies=0' -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /pearl-index Pearl Index Calculator SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Calculates the Pearl Index from pregnancies, participants, and study duration.

Source implementation

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: pearl_index_calculator.

PARAMETERS

Name	In	Type	Required	Description
`num_women`	body	integer	Yes	Number of participants exposed during the study.
`study_duration_months`	body	integer	Yes	Study duration in months.
`num_pregnancies`	body	integer	No	Number of pregnancies observed during the study.

SAMPLE REQUEST

{
  "num_women": 100,
  "num_pregnancies": 3,
  "study_duration_months": 12
}

SAMPLE RESPONSE

{
  "status": "success",
  "summary": "This method has a Pearl Index of 3.0, indicating it is less effective \u274c",
  "pearl_index": 3.0
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/pearl-index -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"num_women": 100, "num_pregnancies": 3, "study_duration_months": 12}'

GET /period Calculate Period SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates period-cycle dates from the last period start and cycle length.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 1008), handler calculate_period, in the pnancy source repository. The source does not declare an API version (Unversioned). The handler and parameter names are transcribed from the source; any sample request values are illustrative, not captured upstream output.

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_period.

PARAMETERS

Name	In	Type	Required	Description
`last_period_start`	query	string	Yes	First day of the last menstrual period (YYYY-MM-DD).
`cycle_length`	query	integer	No	Typical menstrual-cycle length in days.
`period_duration`	query	integer	No	Typical period duration in days.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "next_period": {
          "type": "object",
          "properties": {
            "end": {
              "type": "string",
              "format": "date"
            },
            "start": {
              "type": "string",
              "format": "date"
            }
          },
          "additionalProperties": true
        },
        "fertile_window": {
          "type": "object",
          "properties": {
            "end": {
              "type": "string",
              "format": "date"
            },
            "start": {
              "type": "string",
              "format": "date"
            },
            "ovulation_day": {
              "type": "string",
              "format": "date"
            }
          },
          "additionalProperties": true
        },
        "future_periods": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "end": {
                "type": "string",
                "format": "date"
              },
              "start": {
                "type": "string",
                "format": "date"
              }
            },
            "additionalProperties": true
          }
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET 'https://api.dakidarts.com/pregnancy-calculator/period?cycle_length=28&period_duration=6' -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /period Calculate Period SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates period-cycle dates from the last period start and cycle length.

Source implementation

Execution note: This is a source contract, not a live response. Examples are illustrative; requests need a configured upstream to execute.

Source contract imported from pnancy/app.py. Handler: calculate_period.

PARAMETERS

Name	In	Type	Required	Description
`last_period_start`	body	string	Yes	First day of the last menstrual period (YYYY-MM-DD).
`cycle_length`	body	integer	No	Typical menstrual-cycle length in days.
`period_duration`	body	integer	No	Typical period duration in days.

SAMPLE REQUEST

{
  "cycle_length": 28,
  "period_duration": 6,
  "last_period_start": "2026-01-01"
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "next_period": {
          "type": "object",
          "properties": {
            "end": {
              "type": "string",
              "format": "date"
            },
            "start": {
              "type": "string",
              "format": "date"
            }
          },
          "additionalProperties": true
        },
        "fertile_window": {
          "type": "object",
          "properties": {
            "end": {
              "type": "string",
              "format": "date"
            },
            "start": {
              "type": "string",
              "format": "date"
            },
            "ovulation_day": {
              "type": "string",
              "format": "date"
            }
          },
          "additionalProperties": true
        },
        "future_periods": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "end": {
                "type": "string",
                "format": "date"
              },
              "start": {
                "type": "string",
                "format": "date"
              }
            },
            "additionalProperties": true
          }
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/period -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"cycle_length": 28, "period_duration": 6, "last_period_start": "2026-01-01"}'

GET /reverse-due-date Reverse Due Date SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates last menstrual period and conception dates from a due date.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 1093), handler reverse_due_date, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: reverse_due_date.

PARAMETERS

Name	In	Type	Required	Description
`due_date`	query	string	Yes	Estimated due date (YYYY-MM-DD).
`pregnancy_length_weeks`	query	integer	No	Pregnancy length assumption in weeks.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "status": {
      "type": "string"
    },
    "conception_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "intercourse_date": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET 'https://api.dakidarts.com/pregnancy-calculator/reverse-due-date?pregnancy_length_weeks=40' -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /reverse-due-date Reverse Due Date SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Estimates last menstrual period and conception dates from a due date.

Source implementation

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: reverse_due_date.

PARAMETERS

Name	In	Type	Required	Description
`due_date`	body	string	Yes	Estimated due date (YYYY-MM-DD).
`pregnancy_length_weeks`	body	integer	No	Pregnancy length assumption in weeks.

SAMPLE REQUEST

{
  "due_date": "2026-10-08",
  "pregnancy_length_weeks": 40
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "status": {
      "type": "string"
    },
    "conception_date": {
      "description": "Dynamic source value; no concrete response example is published."
    },
    "intercourse_date": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/reverse-due-date -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"due_date": "2026-10-08", "pregnancy_length_weeks": 40}'

GET /sperm-analysis Sperm Analysis SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Interprets semen-analysis measurements against reference ranges.

Source implementation

This repository does not publish a separate endpoint guide for this route. The contract is transcribed from app.py (line 1142), handler sperm_analysis, in the pnancy source repository. The source does not declare an API version (Unversioned). The parameter table is the handler-backed contract; response fields are shown as a shape when the repository does not provide a trustworthy concrete sample. No live upstream request was made.

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: sperm_analysis.

PARAMETERS

Name	In	Type	Required	Description
`ejaculate_volume`	query	number	Yes	Ejaculate volume in milliliters.
`sperm_concentration`	query	number	Yes	Sperm concentration in millions per milliliter.
`morphology`	query	number	Yes	Percentage of sperm with normal morphology.
`motility`	query	number	Yes	Percentage of motile sperm.
`vitality`	query	number	Yes	Percentage of live sperm.

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "status": {
      "type": "string"
    },
    "total_sperm": {
      "type": "integer"
    },
    "functional_sperm": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X GET https://api.dakidarts.com/pregnancy-calculator/sperm-analysis -H 'X-API-Key: dk_live_...' -H 'Accept: application/json'

POST /sperm-analysis Sperm Analysis SOURCE CONTRACT — UPSTREAM NEEDED $0.0050 / call / 120 rpm Upstream needed

Interprets semen-analysis measurements against reference ranges.

Source implementation

Execution note: This route remains source-contract-only until a real upstream is configured.

Source contract imported from pnancy/app.py. Handler: sperm_analysis.

PARAMETERS

Name	In	Type	Required	Description
`ejaculate_volume`	body	number	Yes	Ejaculate volume in milliliters.
`sperm_concentration`	body	number	Yes	Sperm concentration in millions per milliliter.
`morphology`	body	number	Yes	Percentage of sperm with normal morphology.
`motility`	body	number	Yes	Percentage of motile sperm.
`vitality`	body	number	Yes	Percentage of live sperm.

SAMPLE REQUEST

{
  "motility": 50,
  "vitality": 60,
  "morphology": 4,
  "ejaculate_volume": 3,
  "sperm_concentration": 50
}

RESPONSE SHAPE / NO VERIFIED SAMPLE

{
  "type": "object",
  "properties": {
    "status": {
      "type": "string"
    },
    "total_sperm": {
      "type": "integer"
    },
    "functional_sperm": {
      "description": "Dynamic source value; no concrete response example is published."
    }
  },
  "additionalProperties": true
}

QUICK CURL

curl -X POST https://api.dakidarts.com/pregnancy-calculator/sperm-analysis -H 'X-API-Key: dk_live_...' -H 'Accept: application/json' -H 'Content-Type: application/json' -d '{"motility": 50, "vitality": 60, "morphology": 4, "ejaculate_volume": 3, "sperm_concentration": 50}'

INTERACTIVE SANDBOX

Explore a response before you integrate.

Edit a JSON request to validate its syntax and preview the published sample response. This stays in your browser; it never calls the live API or uses credits.

The preview checks JSON syntax and shows the saved example response; it does not execute request values.

MOCK RESPONSE

TYPESCRIPT CONTRACT

INTEGRATION SDK

Use the product where it lives.

These are integration templates, not runnable sample calls. Configure an endpoint upstream in API Studio, then replace the placeholder path. Saved samples stay preview-only.

REST/JSON

# Replace with a connected GET route and include any required parameters.
curl -X GET "https://api.dakidarts.com/pregnancy-calculator/v1/your-connected-endpoint" \
  -H "X-API-Key: dk_live_..." \
  -H "Accept: application/json"

# Replace with a connected GET route and include any required parameters.
import requests

headers = {"X-API-Key": "dk_live_..."}
response = requests.get("https://api.dakidarts.com/pregnancy-calculator/v1/your-connected-endpoint", headers=headers)
print(response.json())

// Replace with a connected GET route and include any required parameters.
const res = await fetch("https://api.dakidarts.com/pregnancy-calculator/v1/your-connected-endpoint", {
  headers: { "X-API-Key": "dk_live_..." }
});
const data = await res.json();
console.log(data);

<?php
// Replace with a connected GET route and include any required parameters.
$ch = curl_init("https://api.dakidarts.com/pregnancy-calculator/v1/your-connected-endpoint");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["X-API-Key: dk_live_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
$data = json_decode($response, true);

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Pregnancy Calculator API

Call Pregnancy Calculator API through the Dakidarts gateway.

One key, one gateway

Metered by the call

Observable by default

Also available through RapidAPI.

Built to disappear into the product.

Last-period and conception-date workflows

Week-by-week reference content in pregnancy tracking routes

GET and JSON POST calculation patterns

The shape of the surface.

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Explore a response before you integrate.

Use the product where it lives.

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