Pregnancy Due Date Calculator

About Pregnancy Due Date Calculator

Calculate your estimated due date based on your last menstrual period using Naegele's rule.

How to Use

  1. Enter the first day of your last menstrual period
  2. Click calculate to see your estimated due date
  3. View your current gestational age

Frequently Asked Questions

References

  • American College of Obstetricians and Gynecologists
  • Mayo Clinic - Pregnancy Week by Week
  • WHO - Pregnancy Guidelines
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