Stillbirth and birth order.
D000367:Age Factors; D001722:Birth Order; D003267:Contraception; D005260:Female; D005298:Fertility; D005313:Fetal Death / Q000209:etiology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D012923:Social Class; D013223:Statistics as Topic