title: Prenatal diagnosis of neural tube defects.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis / Q000166:cytology; D002490:Central Nervous System / Q000002:abnormalities / Q000196:embryology*; D005260:Female; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins