Perigestational hemorrhage

Last revised by Dr Yuranga Weerakkody on 09 Jan 2021

Perigestational hemorrhage (PGH) refers to hemorrhage that occurs around the fetus during the gestational period. The spectrum of hemorrhage includes:

  • 2% of pregnancies <10 weeks
  • 20% of those have vaginal bleeding <10 weeks

Venous bleeding from the chorionic plate.

  • >90% pregnancy success rate if living embryo with small perigestational hemorrhage
  • large perigestational hemorrhage (>50% of gestational sac circumference): 25% loss rate even if living embryo
  • perigestational hemorrhage with embryonic bradycardia (≤90 beats per minute): 80% loss rate
  • it is a weak predictor of failing pregnancy

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Cases and figures

  • Case 1: subchorionic hemorrhage
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  • Case 2: large subchorionic hemorrhage
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