hi I am in a very bad situation and I need help. I am 23 years old and just found out I am pregnant. the only problem is when my boyfriend and I.were on a break fighting I had a one night stand on July 7th but before that I know forsure I had sex with my boyfriend plenty of times and also after the 7th.but with the one night he did have a condom but when he went to pull out it was stuck and how it was positioned I was able to pull it out but he did not cum he then told me he just had like a lil bit of pre cum butnot alot when I.went to check myself there was nothin there with my boyfriend whenever he would cum there would be sum on the surface a lil and I.would sumtimes be able to wipe a lil off. I went to two different doctors the first one based off my answers said I.was around 4 weeks and 6 days this was on wed yesterday I went sumwhere else he told me his not sure but maybe 2 weeks cause on the ultrasound he couldn't really see much and told me.to.come back in 2 weeks another problem is im not sure of my period dates but I know its between june 15-20 I want to know is there another way of trying to.figure out how far along I am and if its any way it could be the other person and not my boyfriend and also is there a way to have a dna test earlier on then later plz help