<prompt> NOT a cause of post-paum hemorrhage in a retracted uterus: September 2012Vaginal tearCervical lacerationRetained placentaAtony of uterus  <response>: 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. 