May 10 was the first day of my last cycle, I had sex on the 20th with my boyfriend and the 26th with my ex when did I conceive? My cycle is 28 days long. I'm 11wks pregnant help me please
ScottGem
Jul 26, 2014, 01:56 PM
Calculating conception dates is an inexact science. It could be from either encounter. You will just have to wait until the child is born and do a DNA test to determine the father.