Abortion in neural tube defect fraternities.
D000022:Abortion, Spontaneous / Q000453:epidemiology* / Q000235:genetics; D000757:Anencephaly / Q000235:genetics*; D005260:Female; D006801:Humans; D010298:Parity; D011247:Pregnancy; D016135:Spinal Dysraphism / Q000235:genetics*