<prompt> A multigravida woman in labor room, after delivery and placenta removal, uncontrolled bleeding was seen. What is the most common cause of PPH in this woman?AtonicTraumatic PPHClotting factor deficiencyRetained tissues  <response>: Atonicity causes about 80 of PPH. Causes of PPH: Uterine atonicity mc Injury to any pa of genital tract Coagulopathy von Willebrands disease Retained tissues - Causes secondary PPH 