title: Defects of the central nervous system in Finland. II. Birth order, outcome of previous pregnancies and family history.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D000328:Adult; D000757:Anencephaly / Q000209:etiology; D001722:Birth Order; D002490:Central Nervous System / Q000002:abnormalities*; D000013:Congenital Abnormalities / Q000209:etiology*; D005260:Female; D005313:Fetal Death / Q000209:etiology; D005387:Finland; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology; D008393:Marriage; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D012959:Socioeconomic Factors; D016136:Spina Bifida Occulta / Q000209:etiology; D014427:Twins