<unk>  refers to thyroid dysfunction occurring in the first 12 months after pregnancy and may involve hyperthyroidism, hypothyroidism or the two sequentially. According to the National Institute of Health,<unk>  affects about 8% of pregnancies. There are, however, different rates reported globally. This is likely due to the differing amounts of average<unk>  follow times around the world, and due to our own innate differences. For example, in Bangkok, Thailand the rate is 1.1%, but in Brazil it is 13.3%. The first phase is typically hyperthyroidism. Then, the thyroid either returns to normal or a woman develops hypothyroidism. Of those women who experience hypothyroidism associated with<unk> , one in five will develop permanent hypothyroidism requiring lifelong treatment.<unk>  is believed to result from the modifications to the immune system necessary in pregnancy, and histologically is a subacute lymphocytic thyroiditis. The process is normally self-limiting, but when conventional antibodies are found there is a high chance of this proceeding to permanent hypothyroidism.<unk>  is a member of the group of thyroiditis conditions known as resolving thyroiditis.
Postpartum thyroiditis
Radiation-induced thyroiditis
Subacute thyroiditis
Autoimmune thyroiditis
Ord's thyroiditis
Subacute lymphocytic thyroiditis
De Quervain's thyroiditis
Riedel's thyroiditis