Hypothyroidism, Congenital, Nongoitrous, 3, also known as chng3, is related to thyrotropin-releasing hormone deficiency and hypothyroidism, congenital, nongoitrous, 7. An important gene associated with Hypothyroidism, Congenital, Nongoitrous, 3 is CHNG3 (Hypothyroidism, Congenital, Nongoitrous, 3). The drugs Dexamethasone and Dexamethasone acetate have been mentioned in the context of this disorder. Affiliated tissues include thyroid and pituitary.