[On the problem of the diagnosis of placental defects].
D005260:Female; D006470:Hemorrhage; D006801:Humans; D010920:Placenta / Q000002:abnormalities*; D010922:Placenta Diseases; D006473:Postpartum Hemorrhage / Q000209:etiology*; D049590:Postpartum Period; D011247:Pregnancy
HEMORRHAGE, POSTPARTUM/etiology; PLACENTA/abnormalities