Hi, may I answer your health queries right now ? Please type your query here...hello,my name is nithin.i and my gal frend had sex yesterday.she is afraid that she would get conceieved though she is in safe periods that is she underwent her periods on 24th of november.according to my knowledge,till the 3rd of dec,she was safe.starting from 4th to 13th she was in dangerous periods.we did have sex on 16th and 18th.is it ok