Anonymous- I had unprotected sex ( pull out method) on the Sep.12th, and had my 7 day normal flow period on the 17th, just normally it would be the 14th but sense it was on the 14th I thought ok. and now im pregnant and I have had sex the whole month sense my last menestral . what are the chances of the baby being conceived on the 12th to the 18th of Sept. I also made the hugest mistake on the 12th and im afraid its not my boyfriends, please I need help