AM 25 YEARS OLD,AM 1.68M TALL AND AVERAGE WEIGHT. I HAD SEX WITH MY BOY FRIEND ABOUT 5 DAYS AGO,AFTER WHICH I TOOK POSTINOR 1. EVER SINCE THEN HAVE BEEN HAVING THIS FUNNY FEELINGS,WEAKNESS AND TENDERNESS OF BREAST. AM SCARED BECAUSE I DONT WANT TO GET PREGNANT. WHAT SHOULD I DO AND I WILL I KNOW AM NOT PREGNANT,