🤰Pregnancy Calculator

Calculate your due date, track pregnancy progress, and discover important milestones with week-by-week development information

Pregnancy Information

Month
/
Day
/
Year

Enter the first day of your last menstrual period

Your typical cycle length in days

How It Works

📅 Due Date Calculation

Uses Naegele's rule - adds 280 days (40 weeks) to the first day of your last menstrual period.

🌟 Conception Date

Typically occurs around ovulation, approximately 14 days before your next expected period.

📊 Pregnancy Weeks

Counted from the first day of your last menstrual period, not from conception.

Pregnancy Trimesters

First Trimester (Weeks 1-13)

Rapid cell division, organ formation begins, morning sickness common

Second Trimester (Weeks 14-27)

Baby grows quickly, movements felt, anatomy scan performed

Third Trimester (Weeks 28-40)

Final growth phase, lungs mature, preparing for birth