Okay. I'm in a situation here. I'm pregnant and had a few questions about paternity. I had my period Sept 22nd, 07 and had unprotected sex with a friend Oct 4th(i was fertile) I had an EARLY period Oct 15th, 2007. Lasted normal days. I met my current boyfriend Oct 17th and slept with him Oct 20th, 25th, 26th, and 29th . My due date is July 21st-25th by Ultrasounds...was july 21st, then july 25th, ...Doctors and nurses on that lil pregnancy wheel says conception would take place Oct 29th. Whose most likely to be the dad?? I am 20 weeks 6 days on March 17th, 08. please help me understand this??