Anencephaly.
D000757:Anencephaly / Q000235:genetics* / Q000517:prevention & control; D003376:Counseling; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000235:genetics; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D016135:Spinal Dysraphism / Q000235:genetics