hello sir,

            i am 18 and she is 18too.i had unprotected sex with my girlfriend.she took a contraceptive(unwanted 72)with in 3hrs after sex.she already got her period 10-12days before having sex.after taking the pill she got her early periods with in 5days i.e.,on 2nd feb which lasted for about 4days.now she is not getting her periods till date i.e.,4th march..we are getting tensed n worried..are there any chances of pregnancy??

please help.we r worried..