Ok so I'm 17, going to 18 in December. I'm not trying to get pregnant at ALL! But I'm scared and worried. I was suppose to get my period in the middle of this month but I never got it. Last time I had sex it was protected but the condom had gotten stuck inside of me. When my boyfriend pulled it out, the semen was in the condom and the condom wasn't broken or anything. That's why I'm confused about why haven't I gotten my period???? Every now and then I would get little stomach pains but nothing serious. I'm really worried and I'm wondering if I should take a pregnancy test. My stomach is a little bloated and my left breast is a little tender. I don't know what's going on but I'm really scared. Someone help !