ME AND MY BOYFRIEND HAD SEX I AM ON BIRTH CONTROLL THAT DAY I TOOK MY PILL LATER THEN NORMALLY. ABOUT A COUPLE DAYS LATER I HAD BLEEDING NOT NORMAL HEAVY ALSO. AND IT LASTED FOR ABOUT A WEKK.NOW IT STOPED ITS BEEN AMONTH AND IM GETTIN NAUSEA MY BREAST ARE MORE TENDER AND NO PERIOD YET...COULD I BE PREGNANT?