What do we know in advance?
D000328:Adult; D000013:Congenital Abnormalities / Q000209:etiology; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012306:Risk