1. Postpartum haemorrhage (PPH) is defined as blood loss greater than 500 ml within 24 hours of delivery. It can be primary (within 24 hours) or secondary (24 hours to 12 weeks).
2. Causes of PPH include uterine atony, retained placenta, genital tract trauma, and coagulation disorders. Uterine atony accounts for 75-90% of cases.
3. Management involves communication, resuscitation, monitoring, arresting the bleeding. Resuscitation focuses on airway, breathing, circulation, transfusions and fluid resuscitation. Arresting bleeding uses uterotonics, tamponade, compression sutures,