title: Sensitivity of ultrasound in detecting spina bifida.
mesh_terms: D000649:Amniocentesis; D005189:False Positive Reactions; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000000981:diagnostic imaging; D011247:Pregnancy; D012680:Sensitivity and Specificity; D016135:Spinal Dysraphism / Q000000981:diagnostic imaging*; D016216:Ultrasonography, Prenatal; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins