Hi my name is stephanie, i have a small problem and am trying to get some good advice on what is going on with my body, well my period was on Jan 7 2010 and i ovulated on the 22, also intercourse accured 21-27th,,now today on the 28th i am haveing very bad pains in my lower abdomen, my uterus feels real sore and i dont have painful sex at all, my lower back as also been bothering me i cant sit for more then 15 mins, actually right at this very second i am cramped up and dont want to move. also my period isnt due for another week, exactly 7 days from now i should have my period whitch is regular with a 29 day cycle every time, so if you can help me please tell me what the problem may be before i go to the docters, thanks