Pregnancy Progress

Pregnancy Week Calculator

Find out exactly how far along you are in your pregnancy, down to the day. Get your current trimester, baby size comparison, key developmental milestone, and upcoming events in your pregnancy journey.

Enter Your LMP Date

The first day of bleeding in your last period

Why LMP?

Pregnancy is measured from the first day of your last period because it is a known date, conception is estimated from there.

Results are estimates. Your healthcare provider may adjust your due date based on ultrasound measurements.

How Far Along Are You?

Enter your last menstrual period date to see your gestational age, trimester, baby size, and current developmental milestone.

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Ovulation Calculator

Find your fertile days

Fertility Window

3-cycle forecast

Pregnancy Week FAQ