Changes in mean birth weight and proportion of low-weight births in Hungary.
D000028:Abortion, Induced; D001722:Birth Order; D001724:Birth Weight; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death; D006801:Humans; D006814:Hungary; D007226:Infant Mortality; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D012923:Social Class