hi im using norifam for 2 years the last december i didnt take it on my regular schedule my sched was every 30 but last december it was moved to 10,but i had my period on the 30th. so this january i should take it 10 also of the month but i didnt get the dose instead i took a contraceptive pills this 11, then we had intercourse its my 2nd day of taking pills am i safe?