im 17 and i had PROTECTED sex with my boyfriend 10 days ago and there was nothing wrong with the condom, didnt break or anything. i have had pregnancy symptoms though; cramps, breast tenderness and nasuea. i did take a pregnancy test and it was negitive. i also have loss of appetite, i hardly eat. i should be having my period next week but ive never had this bad of PMS symptoms. im stressing out so much that im sure im delaying it. i just need some peace of mind. please help!