December 26
The approximate date of conception was September 10th
The approximate date of conception was September 22nd 2009
To estimate the conception date, subtract about 38 weeks (or 266 days) from the due date. For a due date of May 21st, the conception date would be around August 27th of the previous year. For a due date of June 2nd, the conception date would be approximately September 1st of the previous year.
Sometime in September.
November 3,2012
The estimated date of birth is May 27th
Conception would have occurred around mid to late December of the previous year
The approximate date of conception was March 21st
The approximate date of conception was September 29th
Roughly Wednesday September 3rd 2008
The approximate date of conception was September 2nd 2009
The approximate date of conception was December 16th 1971