i came on my period just over 2 weeks ago and it was 3 days early and only lasted 3 and a half days which has never happened b4.anyway!i has sex with my boyfriend 5 days after i came off my period and he came inside me.the followin day we had sex and he pulled out but it went all over my vagina.about a week later i started to get tender breats.its now been nearly 3 weeks since and my breasts are very tender and ive been experiencing stomach cramps like period pains.im due on on the 20th.what do u think?