If you do not want to go on the pill you can try the depo shot. It is only four times a year. But, if you react badly you are stuck with it for the next three months. Have you been tested for endometriosis? You may want to consider it. You can have it surgically removed, although it will most likely come back. Or you can get pain killers. But, truthfully, they treat endometriosis patients with birth control also, so it may not matter. Just a thought.