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).
Entry Term(s)
Delayed Postpartum Hemorrhage
Hemorrhage, Postpartum
Immediate Postpartum Hemorrhage
NLM Classification #
WQ 330
Public MeSH Note
90; was HEMORRHAGE, POSTPARTUM 1963-89
Online Note
use POSTPARTUM HEMORRHAGE to search HEMORRHAGE, POSTPARTUM 1966-89
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).