i am experiancing awful pain in both my abdomin and back especially after intercourse it got to the point i could not even sit down properly as the pain in my abdomin was so bad it was making me sick i have been for biopsies in the past as i was bleeding between periods and also after sex but nothing was found .during intercourse i sometimes have so much pain we have to stop,i have passed out due to this sometimes,i also have experianced through normal vaginal penetration a really severe pain in my back just around the base of my spine but when i touch this area ther e is no tenderness ,swelling or bruising after the last bout of pain i found it very painful to pass urine or motions the pain was once again in my abdomin please help