i took postinor2 a day after unprotected sex, the sex on 25, i took the drug on 26Dec,2014. my boy sex me too on 27Dec2014 dehn i took one postinor2 3days later , and i finished my period on 22nd Dec2014, am expecting my period on 20January2015 but it does not come up till now. does that mean am pregnant am scare o. i need ur advice