This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'NOT a cause of post-paum hemorrhage in a retracted uterus: September 2012 \nSelect and explain. \nA. Vaginal tear, B. Cervical laceration, C. Retained placenta, D. Atony of uterus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Atony of uterus An atonic uterus cannot compressed effectively due to imperfect contraction and retraction of the uterine musculature and bleeding continues So a retraced uterus rules out uterine atony as a cause of PPH Post paum hemorrhage MC cause of PPH: Atonic uterus (grand multipara, prolonged labor etc.) PPH is said to occur if: Blood loss is more than 500 cc Drugs used for PPH: -- Misoprostol, -- Ergometrine etc.', 'role': 'assistant'}]