title: Alpha fetoprotein levels in amniotic fluid and maternal serum and their use in screening in pregnancy.
abstract: During the period January 1975--July 1977 alpha fetoprotein was measured in 263 amniotic fluid samples and 44 maternal serum samples taken in the second trimester of pregnancy. The importance of careful interpretation of results is discussed.
mesh_terms: D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis; D010865:Pilot Projects; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins