Dear sir /mam we are facing some issue on october my gf took. 2 ipill and got ger period on 24. We had sex 3 time sex but it was protected sex 1st session and 2nd session was unprotected but i didnt ejaculate any way inside and ejaculatiion didnt happend. We did 2 pregnancy test 5day after her mis period and 12day at evening. But on her periods date at 24nov she started low bleeding or spotting for 4days and it stoped for 1 day and started again and ends within next day. But 13dec she again saw brown spotting with lumps like threads coming with some backpain. Please help me what could be the reason.