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The Pregnancy Conception Calculator estimates the date of conception based on the expected due date of the pregnancy, last period date, or ultrasound date. The date of conception is the day on which a person's baby is conceived. The calculator also estimates a possible range of days during which sexual intercourse might have led to conception ...
Our conception calculator, also known as a reverse due date calculator, estimates when your pregnancy was conceived. When calculating conception based on the due date, we subtract 266 days (38 weeks). When using the last menstrual period, we add 14 days. The resulting date is your estimated day of ovulation. Since conception occurs soon after ...
First day of last period. 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). You can also subtract three months from the first day of your last period and add seven days.
Conception Date Calculator. Calculate From. Due dateDate of BirthFirst day of your last menstrual period. Date. Delivered at. 24 Weeks25 Weeks26 Weeks27 Weeks28 Weeks29 Weeks30 Weeks31 Weeks32 Weeks33 Weeks34 Weeks35 Weeks36 Weeks37 Weeks38 Weeks39 Weeks40 Weeks41 Weeks42 Weeks43 Weeks44 Weeks45 Weeks46 Weeks.
Oct 24, 2023 · Conception date. If you do happen to know precisely when you conceived – say, if you were using an ovulation predictor kit or tracking your ovulation symptoms – you can calculate your pregnancy due date based on your conception date. Just choose that calculation method from the pulldown above and put in your date.
Mar 6, 2024 · The calculator will provide your baby's due date according to your conception date. For example, suppose you want to determine your due date; you know that the conception date was January 1, 2024, and you have a regular 28-day cycle. By entering this information into the calculator, it will determine that your due date is September 23, 2024.
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The due date may be estimated by adding 280 days ( 9 months and 7 days) to the first day of the last menstrual period (LMP). This is the method used by "pregnancy wheels". The accuracy of the EDD derived by this method depends on accurate recall by the mother, assumes regular 28 day cycles, and that ovulation and conception occurs on day 14 of ...
