Most obstetric hemorrhagic emergemcies fall into two broad categories: non-hemorrhagic and hemorrhagic. The most common non-hemorrhagic emergency is "fetal distress", before or during labor. Hemorrhagic emergencies are classified into pre, intra or postpartum. The most common causes of prepartum hemorrhage are placental abruption and placenta previa, in intrapartum hemorrhage uterine rupture comes first while retained placenta, uterine atony, placenta accrete are the most common causes postpartum hemorrhage.