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Postpartum Haemorrhage and Long-Term Mortality.

Holly Elser1, Sunni L Mumford2,3, Katherine L Grantz4,5

  • 1Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Paediatric and Perinatal Epidemiology
|February 26, 2025
PubMed
Summary
This summary is machine-generated.

Postpartum haemorrhage (PPH) is linked to short-term health issues but does not appear to increase long-term mortality risk. This study found no significant long-term all-cause mortality increase associated with PPH.

Keywords:
postpartum haemorrhageprospective cohort studysurvival analysis

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal Health
  • Epidemiology

Background:

  • Postpartum haemorrhage (PPH) is a significant cause of short-term maternal morbidity and mortality.
  • The long-term mortality risk associated with PPH remains largely unknown.

Purpose of the Study:

  • To investigate the association between postpartum haemorrhage (PPH) and long-term all-cause mortality risk.
  • To analyze potential variations in mortality risk across different sociodemographic groups.

Main Methods:

  • A prospective cohort study (Collaborative Perinatal Project) involving pregnant individuals from 1959-1966.
  • Linking cohort data with vital status records through 2016.
  • Utilizing Cox regression analysis, adjusting for delivery and medical characteristics, to assess PPH and mortality risk.

Main Results:

  • Of 43,583 participants, 3.5% experienced PPH. By 2016, 39.4% had died, with a median follow-up of 52 years.
  • PPH showed a slight increase in unadjusted mortality risk (HR 1.12), but this was not significant in fully adjusted models (HR 1.02).
  • No increased cause-specific mortality risk was associated with PPH, and subgroup analyses by sociodemographics were imprecise.

Conclusions:

  • While PPH is associated with immediate health risks, it does not appear to confer an increased risk of long-term all-cause mortality.
  • Findings are generally reassuring regarding the long-term survival of individuals who experienced PPH.