Hi Guys, so I had protected sex while i was ovulating, used condoms and he pulled out before finishing. I'm due my period in about a day, but for the past 2-3 days, ive been having brown blood ONLY inside my cervix? I did PT three days ago and it says negative. Could this be the start of AF? I really don't want to get pregnant. I've been stressing about getting pregnant for the past two weeks and i really need peace of mind. :( Any advice would be really helpful!! Thank you in advance!! :)