I had unprotected sex with my boyfriend 18 days ago 4 times he busted it in all four times. 5 days ago we had unprotected sex around 5 times and he busted it in all 5 times. In equal weve had unprotected sex around nine times and he busted it in all nine times I Been having a lot of small stomache pains , I Took a pregnancy test and it came out negative. !? and just today i had a small amount of blood on my underwear, could i be pregnant?