well i've been havin sex with my boyfriend for about 4 MONTHS BUT THIS TIME I THINK IM PREGNANT BUT THEN AGAIN I ALWAYS THINK I AM CUZ I GET PARANOID IM ONLY 16 SO ITS SCARY MY BODY HAS BEEN CHANGIN SINCE IT WAS MY FIRST TIME WITH HIM.WE DONT USE PROTECTION ALL DA TIME CAN I BE PREGNANT OR AM I JUST CHANGIN CUZ ITS MY FIRST TIME