What are the 4T's causing postpartum hemorrhage (PPH)?

Updated: Jun 27, 2018
  • Author: John R Smith, MD, FACOG, FRCSC; Chief Editor: Ronald M Ramus, MD  more...
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Answer

As a way of remembering the causes of PPH, several sources have suggested using the “4 T’ s” as a mnemonic: tone, tissue, trauma, and thrombosis. [15]


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