hello, plz had sex with my partner on sep17th which was the last day of my menstral nd he came into me but dat same day i took postinor2.....after dat on sep 31 we had sex again nd dis time he also came into me nd i went using postinor2 on the 2nd of oct... few days later we also had unprotected sex which i went back using postinor2...now my menstral is suppose to be on oct10,but dis is oct17 no sign of it nd am scared....what do u think is wrong with me? nd wat can i do?