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What is Most common cause of primary post-paum hemorrhage is: and explain in detail?
Ans. a. Uterine atonyPrimary Postpaum Hemorrhage:Atonic uterus: Uterine atony is most common(80% cases)Grand multiparaOverdistension of the uterus as in multiple pregnancy, hydramnios & big babyUterine fibroidPlacenta: Morbidly adherent placenta(accrete, perceta)Antepaum haemorrhage(both placenta prae & abruption)Prolong labour , Mismanaged 3rd stage labour