hi, my girl friend and i had unprotected sex on the 12th September, after the sex, she took postinor 2 and on the 17th he had protected sex and she took postinor 2 after sex.some hours later, she said she was bleeding .am worried she might get pregnant. her last period was 18th of august. is there any way she might get pregnant or anything bad would happen to her. when is she suppose to have her next period.