hi there I need help please. I started menstruating 07.08.2017 and on that same day I did something very stupid!! I had sex with an ex!! on the first day of my period.. please do not judge it never should have happened!! any way, I then had sex with my boyfriend on the 13.08.2017, the 16.08.2017 and the 22.08.2017. I found out by the beginning of the new month I was pregnant!! who is the possible father