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Related Experiment Video

Updated: Jul 1, 2025

A Murine Model of Group B Streptococcus Vaginal Colonization
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Group B Streptococcus Infection and Obstetric Hemorrhage Risk.

Swetha Tummala1, Michelle J Wang2,3, Akanksha Srivastava2

  • 1Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA. swethat@bu.edu.

Maternal and Child Health Journal
|March 10, 2024
PubMed
Summary
This summary is machine-generated.

Group B Streptococcus (GBS) infection during delivery did not increase the risk of obstetric hemorrhage (OBH) or related complications. Further studies are needed to understand peripartum infections and OBH risk.

Keywords:
GBSHemorrhage riskObstetric hemorrhageObstetricsPeripartum infection

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Infectious Diseases in Pregnancy

Background:

  • Group B Streptococcus (GBS) is a common bacterium that can cause serious infections in newborns.
  • The potential impact of GBS infection on maternal outcomes, specifically obstetric hemorrhage (OBH), requires further investigation.
  • Understanding risk factors for OBH is crucial for improving maternal safety during childbirth.

Purpose of the Study:

  • To determine the association between GBS infection and the risk of obstetric hemorrhage (OBH).
  • To investigate the relationship between GBS status and OBH-related morbidities (OBH-M).
  • To explore if intrapartum intraamniotic infection modifies the association between GBS and OBH.

Main Methods:

  • Retrospective cohort study of deliveries with documented GBS status (2018-2019).
  • GBS status determined by antepartum urine or rectovaginal cultures.
  • Primary outcomes included quantitative blood loss (QBL), OBH, and a composite of OBH-M.

Main Results:

  • No significant difference in QBL or OBH rates between GBS-positive and GBS-negative individuals.
  • GBS status was not associated with OBH morbidity or related interventions.
  • No significant differences observed in patients with intrapartum intraamniotic infection (III).

Conclusions:

  • GBS infection at delivery is not linked to an increased risk of OBH or OBH-M.
  • Further research is necessary to clarify the connection between peripartum infections and OBH risk.
  • This study suggests GBS status alone may not be a significant predictor of postpartum hemorrhage.