First, calculate current gestation using one of the other methods, then go to this section and choose past or future date.ĭate at future or past gestation: Use to calculate the date at a specific gestation (enter in weeks). In order to do this simply count 266 days, or 38 weeks, from the conception date to find your estimated due date. Gestation at a future or past date: Use to calculate gestation in the future or past. Conception Date: If you have been using an ovulation predictor kit or tracking your ovulation you may be able calculate your due date based on the precise date of conception. This calculates the current gestational age and gives an estimated date of LMP.Ĭonception date: If conception is known (eg, date of insemination, ovulation or egg retrieval), then the due date can be calculated by adding 266 days. The expected date of delivery (EDD) is calculated by adding one year, subtracting three months, and adding seven days to the.
Ultrasound due date: If a due date has been calculated from an ultrasound in the first trimester, the reverse calculation method is preferred.
#DUE DATE CALCULATOR CONCEPTION DATE PLUS#
Last menstrual period (LMP): The LMP calculation uses the standard method of the first day of your last menstrual period plus 280 days to calculate the due date. This calculator allows you to calculate the following: This is the official end of your pregnancy but because due dates are just a calculation he might be 'late.' No need to worry, your body knows the right time to go into labor, or your doctor may suggest you be induced. Use the drop-down menu to calculate your due date or current week of pregnancy. Week 40 of your pregnancy is Jun 25, 2022.
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