Postpartum Hemorrhage [Disease/Finding] 1022250 Postpartum Hemorrhage C3146 Excess blood loss from uterine bleeding associated with OBSTETRIC LABOR or CHILDBIRTH. It is defined as blood loss greater than 500 ml or of the amount that adversely affects the maternal physiology, such as BLOOD PRESSURE and HEMATOCRIT. Postpartum hemorrhage is divided into two categories, immediate (within first 24 hours after birth) or delayed (after 24 hours postpartum). 47821001 N0000001484 Postpartum Hemorrhage M0010156 D006473 C0032797 Hemorrhage, Postpartum Puerperal Disorders [Disease/Finding] Uterine Hemorrhage [Disease/Finding] Obstetric Labor Complications [Disease/Finding]