my last period was 09/20/15 I had unprotected sex on 09/29/15 which was my first fertile day. my OV day was 10/4/15 on the 7th I started cramping I went to the restroom and there was a small streak of blood on the tp. the cramping had stopped till the 11th I felt a sharp cramp that went by so fast and later on that day had some brown spotting. i have been spotting and cramping for a few days off and on now blood the same color right along with headaches fatigue and a bit of nausea. whats going on ???? PLEASE HELP AND RESPOND I NEED ANSWERS ...btw cant go to the ER with out being billed i have no medical yet :(