🤰 Pregnancy Calculator

Calculate due date, current week, trimester & fetal development milestones

First day of last menstrual period: Typically 280 days (40 weeks) from LMP

First Trimester (Weeks 1-13)

Major organs begin forming, heart starts beating, risk of miscarriage highest

Second Trimester (Weeks 14-27)

"Honeymoon phase" - movement felt, anatomy scan, gender reveal possible

Third Trimester (Weeks 28-40+)

Rapid growth, Braxton Hicks, preparing for labor and delivery