<prompt> Atonic PPH is not seen inMultiple pregnancyHydramniosErythroblastosis fetalisProlonged labour  <response>: Causes of Atonic PPH: Multiparity Overdistention of abdomen Malnutrition and anemia Antepaum hemorrhage Prolonged labor Anesthesia Initiation or augmentation of delivery by oxytocin Malformation of uterus Uterine fibroid Mismanaged third stage of labor Precipitate labor Ref: Dutta Obs 9e pg 385. 