Pregnancy Calculator

Calculate your due date, current pregnancy week, and track your baby's development milestones throughout your pregnancy journey.

Last Menstrual Period Known Due Date Conception Date

First Day of Last Menstrual Period * Enter the first day of your last menstrual period

Due Date * Enter your known due date

Conception Date * Enter the estimated conception date

Optional Information

Average Cycle Length

days

Helps improve accuracy (typically 21-35 days)

Maternal Age

years

For personalized recommendations

Your Pregnancy Information

Due Date

-- days remaining

Current Week

-- Trimester

Conception Date

Estimated

Pregnancy Timeline

Week 1 Week 20 Week 40

Baby Development This Week

Important Dates & Milestones

Pregnancy Recommendations

How We Calculate

Pregnancy is calculated from the first day of your last menstrual period (LMP). A full-term pregnancy typically lasts 280 days or 40 weeks from the LMP.

Pregnancy Trimesters

First Trimester: Weeks 1-12
Second Trimester: Weeks 13-27
Third Trimester: Weeks 28-40

Important Note

This calculator provides estimates based on average pregnancy length. Always consult with your healthcare provider for accurate dating and monitoring.