This calculator helps you estimate your date of delivery ("due date") based on the timing of your last menstrual period. Gestational age estimates how far along you are in your pregnancy. Your health care provider uses the gestational age in weeks (rather than months) to plan your care during pregnancy.

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

2024年9月26日 · Use What to Expect's pregnancy Due Date Calculator to find out how many weeks pregnant you are and estimate your baby's due date via various methods.

2024年12月12日 · Use our pregnancy calculator by plugging in the date of your last period, the date you conceived if you know it, the timing of your IVF transfer, or your first ultrasound date. The Due Date Calculator will do the rest!

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1月27日 · EDD calculator provides you with your Estimated Date of Delivery based on the ultrasound results and your last menstrual period 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.