im 8 weeks prego today.oct  sunday 10th around midnight my boyfriend and i had sex i had to stop having sex with him cuz i started bleeding down there it only lasted about a half an hour.and for the past few days iv been hurting down really sarced i think i lost the baby but im not sure im sarced to go to the doctors and find out…if you know anything that can help me please let me know. please and thank you