Most common cause of primary post-paum hemorrhage is:
High-Yield Explanation
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