A member asked:

If i'm 26 weeks 6 days pregnant today. when i count back on the calendar that makes dec 12 2012 , is that the day i had sex to become pregnant?

A doctor has provided 1 answer

Negels rule: I don't have my due date calculator with me, but of 12/12 is exactly 26 weeks 2 days ago, then conception likely occured around 12/26. Now this is assuming you have a 28 day cycle (start of one period to start of next). Its just an approximation as is your due date. We base gestation age on last menstrual period and not conception.

Answered 9/29/2016

5.1k views

Thank

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