Congenital hypothyroidism can be defined as (variable) dysfunction of the hypothalamic–pituitary–thyroid axis present at birth, resulting in insufficient thyroid hormone production and consequent severe-to-mild thyroid hormone deficiency. Congenital hypothyroidism may be caused by:
This is a companion discussion topic for the original article at https://patient.info/doctor/childhood-and-congenital-hypothyroidism