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A 26-year-old female asked:

to find conception date do you count back 9 months from the babys birth date even if they were born 4 days early from the due date?

1 doctor answer2 doctors weighed in
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Use due date: To calculate conception you use the due date. Use a reverse due date calculator for free online and this will be easy for you to find out. Simply type in your due date and the conception date will be calculated for you.

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Last updated Feb 15, 2016
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