Due Date by Ultrasound

Calculate your estimated due date based on your early ultrasound scan.

Cycle, Ovulation & Fertility

Ultrasound Due Date

Calculate your due date based on the measurements from your first ultrasound.

When did you have your scan?

Enter the gestational age (weeks and days) estimated by the scan.

Get your adjusted due date based on fetal growth.

Why use ultrasound dating?

Early ultrasound (measuring CRL) is the most accurate way to date a pregnancy.

Can my due date change?

If your ultrasound date differs from your LMP date by more than a few days, your doctor may adjust your official due date.