How
is your due date calculated?
Your due date is estimated
by adding 40 weeks (280 days) to the approximate
date of conception. The date of conception is
considered to be about 2 weeks after the first
day of your last menstrual cycle. Only 5% of
women deliver their babies on their projected
due date, so this date should be used as an
estimate; it is not an exact calculation.
Enter the first
day of your last menstrual period below:
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