Intrauterine growth of twins.
D001724:Birth Weight; D002508:Cephalometry; D005260:Female; D005333:Fetus / Q000502:physiology*; D006128:Growth; D006365:Heel / Q000033:anatomy & histology; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014427:Twins