title: Euthyroid low thyroxine (T4) and triiodothyronine (T3) states in prematures and sick neonates.
abstract: This article reviews the ontogenesis of thyroid system function in the human fetus and newborn and characterizes thyroid function in the premature infant. Thyroid function disorders associated with neonatal adaptation and illness also are reviewed; these include transient hypothyroxinemia, transient primary hypothyroidism, and the syndrome of nonthyroidal illness.
authors: University of California, Los Angeles, School of Medicine, Harbor-UCLA Medical Center, Torrance.
authors: D A
authors: DA
authors: Fisher
mesh_terms: D005314:Embryonic and Fetal Development; D005067:Euthyroid Sick Syndromes / Q000097:blood*; D005312:Fetal Blood; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000097:blood*; D013961:Thyroid Gland / Q000502:physiology; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine