title: Diagnosis of neural tube defects by evaluation of amniotic fluid.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D005865:Gestational Age; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography; D000509:alpha-Fetoproteins / Q000378:metabolism*
chemical_list: D000509:alpha-Fetoproteins