Online calculator: 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. To determine margin of error more information is needed. Your doctor can look at the gestational age of your first sonogram and tell you the gestational age.
Answered 8/17/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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