Pregnancy Calculator
Calculate your pregnancy due date, current week, and important milestones.
Calculate Due Date from Last Menstrual Period
Calculate Due Date from Conception Date
About Pregnancy Calculation
- Due Date Calculation: Based on Naegele's rule (40 weeks from LMP)
- Conception Date: Typically 2 weeks after LMP for a 28-day cycle
- Pregnancy Weeks: Counted from the first day of LMP
- Trimesters: Divided into three 12-14 week periods