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Pregnancy Due Date Calculator

Estimate your due date, conception timeline, and follow weekly gestational progress.

About this calculator

Estimate your due date and current pregnancy stage based on the first day of your last menstrual period or conception date.

How to use

  1. Enter the first day of your last menstrual period (or conception date).
  2. Press Calculate to see your estimated due date and current week of pregnancy.

Tips

  • This is an estimate based on a standard 40-week gestation period — actual due dates can vary.