[Studies of ferritin levels during pregnancy, puerperium and in umbilical cords].
D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005293:Ferritins / Q000032:analysis / Q000097:blood*; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D049590:Postpartum Period; D011247:Pregnancy
D005293:Ferritins