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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is The Possible Date Of Conception?

my son is driving me mad his gf is pregnant and is due 16th jan 2013 she slept with someone else on the 8th of may 2012 but was with my son before that all the time he keeps asking me if the baby is def his i say yes and that she def got pregnant in april i need to put his mind at rest please help she bled for one day on 8th of april he wants to know if she was preg on 11th of april as the 40wks go bk to this date
Sat, 11 Aug 2012
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General & Family Physician 's  Response
Hi,
The due date is calculated as below.
The first day of last menstrual period plus 277 days.
In your case if we go back from 16 th jan 2013 then it is 11th april 2012.
It is a tentative date.It may take more time.
Exact growth can be calculated by ultrasound.
Thanks
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What Is The Possible Date Of Conception?

Hi, The due date is calculated as below. The first day of last menstrual period plus 277 days. In your case if we go back from 16 th jan 2013 then it is 11th april 2012. It is a tentative date.It may take more time. Exact growth can be calculated by ultrasound. Thanks