How funny that someone mentioned this. I have incredible back pain during that time of the month, but my spinal fusion surgery "triggered" my Celiac so I've always attributed the pain to my fusion. It's interesting, though, the sensation is so much different and it almost never hurts otherwise.
Here is my take on it, none of this is anything but my own...
Wow can I relate. I am supposed to visit my father for Thanksgiving. His girlfriend is a former nurse and less than helpful. I even caught her trying to sneak gluten into my meals when I visited last, maybe to see if I would react? I think I started my gluten-free adventure more paranoid than most only because I'm majoring in nutrition and we have privvy...