Pregnancy Calculator

Pregnancy Calculator User Guide

Overview

This Pregnancy Calculator estimates the due date based on the first day of your last menstrual period (LMP). It uses a standard gestation period of 280 days (40 weeks).

Requirements

• A modern web browser with JavaScript enabled.
• The first day of your last menstrual period in YYYY-MM-DD format.

How to Use

1. Enter LMP Date: Input the first day of your last menstrual period. Ensure it’s in the correct format (YYYY-MM-DD). For example, if your last period started on January 1, 2023, you should enter 2023-01-01.

2. Run the Calculator: If the calculator is part of a web page, there may be a button to click for calculating. If it’s a standalone script, it will run in a JavaScript environment like a web browser console or a Node.js environment.

3. View Results: The calculator will display the estimated due date based on the LMP date provided. This date is given in the format YYYY-MM-DD.

   Important Notes

   • This calculator provides an estimated due date, and individual experiences may vary.
   • The estimated due date assumes a regular menstrual cycle and may not be accurate for all users.
   • For medical advice, diagnosis, or treatment, always consult a healthcare professional.
   • This tool is not intended to replace professional medical advice or care.