Last month of jan ...my periods was on 25 th n after that i had protected sex for 3 times wthn a month.....but for safety purpose i had an i pill 3 times withn a month...n in this month my periods should cm on 20 th feb...bcoz last month my periods came before 5 days...acc.to that in this month they must cm on 20 th bt still they didnt cm ....how much time i hv to wait...m too much worried abt it...my bf said that nt to wry bcoz every tm he used the protection bt fr safety i always taken an ipill....plz guide me m in too much tension...bcoz still my periods did nt come...