It’s a shame that the celiac disease (which is also often hereditary) was not spotted by a normal physician, but c’est la vie. Good luck with your gluten free diet. An estimated 0.5% of Americans need one.
As I said, she has 'gluten intolerance." Altho' similar to celiac, it isn't celiac.
Most doctors treat it as IBS - 'spastic gut' - but far too few diagnose it correctly.