<prompt> Which One of the following is not a cause of secondary Postpaum Haemorrhage?Placenta preRetained bits of placentaEndometritisPolyp  <response>: Causes of secondary Postpaum Haemorrhage are: Retained bits of placenta Postpaum infection Infection of Cervical and Vaginal Tears Puerperal Inversion of Uterus Uterine Polyp or Fibroid: Undiagnosed carcinoma of cervix Chorion-epithelioma REF : DUTTA BOOK OF OBSTETRICS 