Pregnancy Calendar Due Date Calculator

About two weeks after last menstrual period first trimester ends 12 weeks.

Pregnancy calendar due date calculator. On you will be weeks pregnant. And that s how most healthcare providers do it. 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. Estimated due date 40 weeks.

Select your average cycle length from the dropdown menu. 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. If you re certain of the date of conception you can use this date as an alternative in our due date estimator tool. Your due date is only an estimate.

A free pregnancy calculator to calculate your due date. Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy. How to use the pregnancy due date calculator select the date of the first day of your last menstrual period in the space provided. If your menstrual cycle length is the average length 28 day cycle your menstrual cycle probably started about two weeks before you conceived.

The edd can be calculated by adding 266 days to the day of ovulation fertilization. Pregnancy due dates calculator calculates pregnancy dates forward from last period or backward from due 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. Pregnancy due dates calculator last menstrual period.

Our online due date calculator uses a simple method to calculate your due date. Using both the date of your last period and the length of your regular cycle our due date calculator will quickly work out your estimated due date tailoring it accordingly for longer shorter and average cycle lengths. Your due date the gestational age age from conception to birth of your baby and a trimester timeline will appear in the window next to the calculator. Use your lmp and cycle length in our pregnancy calculator to discover your own pregnancy calendar.

The most common way to calculate your pregnancy due date is by counting 40 weeks from the first day of your last menstrual period lmp. If you deliver on your due date your baby is actually only 38 weeks old not 40. The calculation of the estimated due date edd is based on the day of the date of ovulation and fertilization. Another way to do it is to subtract three months from the first day of your last period and add seven days.