During the begining of september I had a horrible sharp pain in my right ovary, it was even painful to have sex. It finally stopped hurting, On the 18th I started my period with horrible cramps and a lot of clotting then it went away and I had a normal period. Normally my period last 7 days but this one only lasted 5, there was a lot of brown mucous as well. I stopped my period on thursday and woke up friday with horrible stomach cramps, then from thatday on I have had a headache, im fatigued and have gotten quite dizzy which has made me nausea. I had sex on on my fertile days which was sept 1-6. I had sex on sept 3rd and 6th. I have taken several hpt and they have turned out all the be negative. I need advice, what is going on with me? What should i do? Has anyone experienced this before? Also I am suppose to be ovulating at this time, I have no cm what so ever. This has been going on for a couple of days.