hello..well im 16 and i had unprotected sex on my first time. i had been feeling really sick a couple days after my boyfriend and i had sex. i felt dizzy. alot of cramps, n i felt really tired so i would sleep alot. i got my period a couple days late and it wasnt like my normal periods.it was really light and it wasnt for long. Am i pregnate? i am worried..Can someone please help me.