Can some one please tell me what's wrong? So me and my boyfriend had sex today with out a condom ( we never use them) and I was tight so it took a few thrust to make it comfortable for me. Then we started doing it for a while then he went a little deeper and something in my lower stomach cramped up and I had to make him stop. After sex we were cuddling and  my stomach was still hurting and burned. This use to happen like 2 Months ago but a slight cramp and it went away out of no where but today it happened again 3 times worse