Hi, me and my gf had sex for the first time on 1st of this month, and her hymen was broken on that day, she had bleeding after sex. We did unprotected sex but also used condom, then we had sex on 2 day also and I am sure that I didn t came inside her. On the 3rd day, she took ipill on that night. But till now i.e, 16th, she had no period, and her due date is 7or 9 of every month. She had stomach pain like she is going to have period but she didn t. Pls help..