This is actually the most common form of hypothyroidism today. (131-blog.pjtsu.com)
No particular breed or gender is linked to the rare congenital form of hypothyroidism, which prevents normal development. (lowchensaustralia.com)
Lastly, there is a high correlation between having gluten sensitivity and also having the autoimmune form of hypothyroidism — Hashimoto's thyroiditis. (drcarri.com)