I need help can someone please reply back so Feb 28 was the last day of my period I had sex with my bf that day and had sex with someone else the 27 of Feb then march came waited 2 weeks to take a pregnancy test and came out negative then march 21-27 I had my period and after my period April came me and my bf kept having sex and then by the end of April I find out in pregnant when I went to the doctor I thought I was 6 weeks but Dr said i was 7 weeks now my bf is wondering if its his please help