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Pregnancy Due Date Calculator

Estimate your due date and pregnancy milestones based on your last menstrual period.

How It Works

  • • Due date is estimated as LMP + 280 days (40 weeks), following Naegele's rule.
  • • Conception is assumed to occur around LMP + 14 days.
  • • Trimesters: 1st (weeks 1–13), 2nd (weeks 14–27), 3rd (weeks 28–40).
  • • Only an estimate — your healthcare provider can give a more accurate date via ultrasound.

Privacy & Security

All calculations run locally in your browser. Your data is never stored or transmitted.

Tool Information

Category
Heart سلامت و تناسب اندام
Type
Processed in browser
Tags

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