title: Improved prognosis in congenital hypothyroidism treated before age three months.
mesh_terms: D000367:Age Factors; D003409:Congenital Hypothyroidism; D006801:Humans; D007037:Hypothyroidism / Q000097:blood / Q000150:complications / Q000188:drug therapy; D007223:Infant; D007231:Infant, Newborn; D007360:Intelligence; D007361:Intelligence Tests; D007455:Iodine / Q000097:blood; D011379:Prognosis; D013960:Thyroid Function Tests; D013963:Thyroid Hormones / Q000008:administration & dosage / Q000627:therapeutic use; D013974:Thyroxine / Q000097:blood
chemical_list: D013963:Thyroid Hormones; D007455:Iodine; D013974:Thyroxine