Due Date Estimate Calculator

Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy.

Due date estimate calculator. If you deliver on your due date your baby is actually only 38 weeks old not 40. A full term pregnancy ranges from 37 weeks to 40 weeks and 6 days so your actual date of delivery can be different from your estimated date of delivery which is sometimes called estimated date of. Use your lmp and cycle length in our pregnancy calculator to discover your own pregnancy calendar. A free pregnancy calculator to calculate your due date.

Our online due date calculator uses a simple method to calculate your due date. Another way to do it is to subtract three months from the first day of your last period and add seven days. This method is based on the idea that women typically ovulate about 2 weeks after their period starts and pregnancy typically lasts about 38 weeks. The most common way to calculate your due date is by counting 40 weeks from the first day of your last menstrual period lmp.

Now when will your new baby arrive. And that s how most healthcare providers do it. Determining the estimated due date the estimated due date edd or edc is the date that spontaneous onset of labor is expected to occur. Your due date is estimated to be 40 weeks after the first day of your lmp your cycle is assumed to be 28 days long with ovulation occurring at day 14 therefore the calculator adds 280 days 40 weeks to your lmp.

Most pregnancies last around 40 weeks or 38 weeks from conception so typically the best way to estimate your due date is to count 40 weeks or 280 days from the first day of your last menstrual period lmp.