How To Calculate Due Date Based On Ovulation
Exact calculation of the due date.
How to calculate due date based on ovulation. I e due date lmp 280 days lmp first day of last menstrual period. An estimated due date edd is a best guess as to when baby might be born based on a due date calculator like this one. However only 4 of babies are born on their due date. 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.
And that s how most healthcare providers do it. This method is based upon the date you conceive a child for which woman need to keep track of ovulation date and estimate the date of conception. First we estimate when you ll ovulate by counting back 14 days from the day you expect your next period. Calculating an accurate due date is an important first step in pregnancy.
How we calculate your fertile days. Our calculator estimates your due date based on lmp your average cycle length and your luteal phase length. The edd can be calculated by adding 266 days to the day of ovulation fertilization. If your menstrual cycle length is the average length 28 day cycle your menstrual cycle probably started about two weeks before you conceived.
The calculation of the estimated due date edd is based on the day of the date of ovulation and fertilization. The expected date of delivery edd and estimated conception date computed by this calculator are for informational purposes only and by no means shall be used as the exact dates for these events. Our ovulation calculator gives you the dates you re most likely to be fertile over the next several months. 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.
Using lmp method you can calculate the due date by adding 40 weeks to first day of your last menstrual period. Find out your due date with our pregnancy calculator below.