Children's Health and Wellness

Due Date Calculator

It is important to estimate your due date so you and your health care provider can schedule proper prenatal care and plan for your baby's birth. Your health care provider uses a method similar to this calculator to give you your due date.

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What was the date of the first day of your last menstrual period? (MM/DD/YYYY)

This calculator is not intended to replace the evaluation of a health care professional.

Print Source: Prenatal Assessment of Gestational Age, Up to Date
Author: Lambert, J.G. M.D.
Online Editor: Sinovic, Dianna
Online Medical Reviewer: Freeborn, Donna PhD, CNM, FNP
Online Medical Reviewer: Grantham, Paula, RN, BSN
Date Last Reviewed: 1/27/2013