I took a pregnancy test on 9/4/2012 it was positive, had a blood test done same day, my hcg level is 33. I had sex with a friend on 8/16/2012 and meet my fiance on 8/22/2012 i believe my period started on the 10th of aug. The ER doc said according to my hcg level im about a week, but sperm can last up to 5 days so idk who the father is seeings how there so close. PLZ HELP!!!!