Postpartum vulvar edema associated with birthing chair.
D036861:Delivery, Obstetric / Q000379:methods*; D004487:Edema / Q000209:etiology*; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000209:etiology; D011247:Pregnancy; D014845:Vulvar Diseases / Q000209:etiology*