Prenatal diagnosis.
D000013:Congenital Abnormalities / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D005820:Genetic Testing; D006801:Humans; D010500:Perinatology; D010922:Placenta Diseases / Q000175:diagnosis; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D016216:Ultrasonography, Prenatal