title: Detection of birth defects by ultrasonography.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D000013:Congenital Abnormalities / Q000175:diagnosis*; D004065:Digestive System Abnormalities; D005260:Female; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis; D017880:Limb Deformities, Congenital; D008208:Lymphatic System / Q000002:abnormalities; D009436:Neural Tube Defects / Q000175:diagnosis; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography; D014551:Urinary Tract / Q000002:abnormalities; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins