hi, i had unprotected sex with my girlfriend on 9th night and 10th morning of the month october, she had an i pill on the 10th afternoon, she had some vaginal bleeding after a week which she confused with her regular period, the bleeding continued for 2-3days, and it was less. Her periods were due on 25th, and she have not got any yet.....can u please guide me that should we go in a for a pregnancy test or its just a normal delay.