Prenatal screening.
D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000235:genetics; D005817:Genetic Counseling; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000175:diagnosis; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography