Antenatal diagnosis: present and future.
D000649:Amniocentesis; D000757:Anencephaly / Q000235:genetics; D001290:Attitude; D001774:Blood Chemical Analysis; D004314:Down Syndrome / Q000235:genetics; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D005315:Fetal Diseases / Q000000981:diagnostic imaging; D006453:Hemoglobinopathies / Q000235:genetics; D006801:Humans; D008423:Maternal Age; D008659:Metabolic Diseases / Q000235:genetics; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods; D011859:Radiography; D016136:Spina Bifida Occulta / Q000235:genetics; D014463:Ultrasonography