thank you knitty kitty I don't have a vitamin deficiency and I supplement omegas.  Are there other more mild symptoms that co-occur with your joint pain as well @Moodiefoodie? I am suspicious my own joint pain could be related to another autoimmune issue. I am wondering if it is Crohn's or something similar because I've continued to experience some issues despite having normal celiac antibody levels. What have you considered?

Here are some more publications on this topic: https://www.celiac.com/celiac-disease/celiac-disease-amp-related-diseases-and-disorders/fertility-pregnancy-miscarriage-and-celiac-disease/ 

Yes, it could be. Anti histamines help with the symptoms but I don't really like to take them long term.  

There is a product call Quinoa Flakes that might be a good substitute for oats.

How much gluten daily were you eating before your blood panel was taken? Here is more info about how to do a gluten challenge for a celiac disease blood panel, or for an endoscopy: and this recent study recommends 4-6 slices of wheat bread per day: