I HAVE FOR ABOUT 4 YEARS NOW HAD PAIN IN MY RIGHT SIDE RIGHT WHERE MY OVARY IS , I HAVE HAD 3 CHILDREN, I DID HAVE A SCAN ON THE RIGHT SIDE AND THEY SAW A SHADOW THAT THEY SAID WAS PROBABLY TRAPPED WIND, THAT WAS ABOUT 3 YEARS AGO, BUT IM GETTING REALLY TIRED AND HAVE REALLY BAD BACK ACHE AND SOMETIMES IT FEELS LIKE A KNIFE IS BEING STABBED INTO ME THROUGH MY BACKSIDE,MY PERIODS LATELY HAVE BEEN REALLY HEAVY, WHAT IS CAUSING THESE PROBLEMS.