Im 23 and Im 33 weeks pregnant I got pregnant in October of 2011 im starting to get worried again since due date is around the corner my mate and I had alot of sex in October and on October 23 I had sex with an old fling jus once then found out I was pregnant in November and my due date is July 9 2012 I think I was already pregnant when I slept with the old fling and jus didnt knw it but im not sure can you guys help me please!!??