The importance of the "small-for-dates" baby to the problem of mental retardation.
D001724:Birth Weight; D001827:Body Height; D000013:Congenital Abnormalities / Q000150:complications; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008607:Intellectual Disability / Q000150:complications / Q000209:etiology*; D008431:Maternal-Fetal Exchange; D010922:Placenta Diseases / Q000150:complications; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000150:complications; D014777:Virus Diseases / Q000150:complications