Use our Pregnancy Due Date Calculator to find your estimated due date and see major milestones throughout pregnancy.

This free due date calculator estimates the due date based on the menstrual cycle, ultrasound, conception date, or IVF transfer date.

Your due date is calculated by adding 280 days (40 weeks) to the first day of your last menstrual period (assuming a 28 day cycle). Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy.

Use this pregnancy calculator to find your due date based on the date of your last menstrual period, conception date, IVF three-day or five-day transfer date, or date of your last ultrasound. Calculation Method

Curious to know your due date? Our easy-to-use pregnancy calculator is the number one most popular way to calculate your due date based on the date of your last menstrual period.

Calculate delivery due date , concpetion date, gestational age and other important dates during pregnancy using LMP, ultrasound dating, or date of embryo transfer (IVF).

2025年2月5日 · "When is my due date?" Find out when you're due, how many weeks you are, how big the baby is, and much more with the Mama Natural Due Date Calculator.