Postpartum hemorrhage risk factors (mnemonic)

Last revised by Kyriacos S. Evangelou on 9 Aug 2021

A mnemonic to remember the basic risk factors of postpartum hemorrhage is:



  • P: prolonged labor / polyhydramnios / previous C-section
  • A: APH
  • R: recent Hx of bleeding
  • T: twins
  • U: uterine fibrosis
  • M: multiparity 

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