title: Recurrent elevations of amniotic fluid alpha-fetoprotein in 3 consecutive normal pregnancies.
mesh_terms: D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins