If anyone is about to help me here it would be great - thank you so much!
I've heard that prostaglandins are produced by practically every kind of soft tissue in your body, and yes, the inflammation that goes along with ulcerative colitis causes increased prostaglandin production.
If it helps at all, my best friend has UC (& always had TERRIBLE cramps/periods), but was able to get pregnant "the natural way" and found that after her pregnancies, her period was a little less painful (once it returned). Something about the change in hormones that went along with being pregnant, and then nursing, seemed to drop the prostaglandin production. She's still nursing her second child, so we'll see if that lasts.