MCP For Claude Marketplace
Due Date Calculator

Due Date Calculator MCP Connector for Claude

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Calculate pregnancy due dates, trimesters, and milestones using Naegele's rule.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

This MCP server provides precise obstetric calculations based on the Last Menstrual Period (LMP) and cycle length. It uses Naegele's rule with cycle length adjustments to provide accurate estimates. Use get_due_date_summary for a quick overview, get_trimester_boundaries to find stage dates, get_pregnancy_milestones for developmental events, and get_gestational_progress_detail for a deep dive into weeks and percentage completion.

pregnancyobstetricshealth-trackingdue-datemedical-tools

4 tools expose this connector's capabilities to your AI agent.

get_due_date_summary

Provides a comprehensive overview of the pregnancy status including the due date and current progress

get_gestational_progress_detail

Provides a detailed breakdown of the current gestational age including percentage of pregnancy completed

get_pregnancy_milestones

Provides key physiological or developmental milestones expected during the pregnancy

get_trimester_boundaries

Identifies the start and end dates for each of the three pregnancy trimesters

See how to talk to your AI agent using Due Date Calculator.

When is my due date if my last period was on 2024-01-01 and my cycle is 28 days?

Your estimated due date is 2024-10-08.

What trimester am I in if my LMP was 2024-03-15 and my cycle is 30 days?

You are currently in your Second Trimester.

Show me my pregnancy milestones for an LMP of 2024-05-10 and a 28-day cycle.

Key milestones include heartbeat detection around week 6 and major organ development around week 10.

The due date is calculated using Naegele's rule, adjusted for your specific cycle length to ensure accuracy.

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