<unk>  <unk> T) is a condition of thyroid hormone deficiency present at birth. Approximately 1 in 4000 newborn infants has a severe deficiency of thyroid function, while even more have mild or partial degrees. If untreated for several months after birth, severe<unk>  can lead to growth failure and permanent mental retardation. Treatment consists of a daily dose of thyroid hormone (thyroxine) by mouth. Because the treatment is simple, effective, and inexpensive, nearly all of the developed world practices newborn screening to detect and treat<unk>  in the first weeks of life.
Congenital hypothyroidism
Congenital adrenal hyperplasia
Lipoid congenital adrenal hyperplasia
Congenital hyperinsulinism
Kallmann syndrome
Growth hormone deficiency
Kostmann syndrome
Constitutional growth delay