I had sex with my bf on 20 sep he didnt discharged inside me but i took unwanted72 within 4-5 hrs i got some little bleeding after that pill after 2 weeks i had my periods which lasted 4-5 days the cramps n backpain was mch painful n i bleed heavily in the first two days.. now i was expecting my second period on 5 nov but its 23 nov n still not have any sign i am having backpain n cramps since two weeks cn i be preganent or not when i am suppoed to have my second periods?