I just want to know that, I had sex on 20 th sept just rub penis to vagina, her vagina was not wet then. But I gave her unwanted 72 within 12 hours, then 27th he got period or withdrawal bleeding (i don't know what should I call it) which is 2nd time in sept and previous was 14th sept .and now its 2nd november her periods didn't come yet. But on 2nd nov she did pregnancy test but it was negative. And now 4 th nov but period didn't come yet. What should I do? Is there any chance of pregnancy later? Plz.answer.