pain in lower abdominal

i Did sex for the 1st time on 14th jun and after that i took unwanted 72 and after 3/4 days i got temporary 3/4 days periods....it meant i was safe.and again i did sex with my bf from 5th july afternoon to 8 july till morning 8.00 and  this time we used condom around all the time we did sex but 2 times condon was teared 1 @ the night of 5 july and the teared part also were inside my p***y but it came out on 11th july morning when i was pissing. and 2nd time in 7 july also condom was teared  but both time he wasn't not ejeculated inside me. so therefore on 6 july @ evening i  took unwanted 72. and on 5th july to 6 july we did intercource near about 8 - 10 times and he is also having very bigger than average. but now my lower abdonmal is paining a lot even my right leg above my knee is paining a lot i.e thigh and hip part, i even cant seat properly and on 12 morning i got vomiting........why this is happpening and what are the chances of pregnency????