title: Prenatal diagnosis of the Meckel syndrome: use of serial ultrasound and alpha-fetoprotein measurements.
mesh_terms: D000649:Amniocentesis; D002490:Central Nervous System / Q000002:abnormalities*; D004677:Encephalocele / Q000175:diagnosis; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008831:Microcephaly / Q000175:diagnosis; D009778:Occipital Lobe / Q000002:abnormalities; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D012306:Risk; D013577:Syndrome; D014463:Ultrasonography; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins