Congenital Hypothyroidism

Congenital hypothyroidism (CH) is deficiency of thyroid hormone present at or developing soon after birth. It is the single most common preventable cause of intellectual disability worldwide — and the prototype "screen-and-treat" disease of paediatrics, because timely levothyroxine virtually normalises IQ while delay causes irreversible neurological damage. Congenital hypothyroidism is an inadequate production of …