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Risk factors for maternal colonization with group B beta-hemolytic streptococci.

R R Terry1, F W Kelly, C Gauzer

  • 1Wilson Memorial Hospital, Johnson City, NY, USA. Richard_Terry@UHS.org

The Journal of the American Osteopathic Association
|December 29, 1999
PubMed
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Group B Streptococcus (GBS) colonization during pregnancy poses a risk for neonatal sepsis. Smoking emerged as a significant risk factor for GBS colonization, highlighting the need for targeted screening in pregnant smokers.

Area of Science:

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

Background:

  • Group B beta-hemolytic streptococci (GBS) colonization in pregnant individuals is a known risk factor for neonatal sepsis.
  • Identifying high-risk populations for GBS colonization is crucial for effective prevention strategies.

Observation:

  • A retrospective chart review analyzed 543 pregnant women to identify risk factors for GBS colonization.
  • The study population was predominantly white non-Hispanic (91.1%), with varying demographic characteristics including income, marital status, and prenatal visit frequency.
  • Maternal GBS colonization prevalence was 14.0%.

Findings:

  • Smoking during pregnancy was significantly associated with a higher GBS colonization rate (33.1% in smokers vs. 16.4% in non-smokers, P = .012).

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  • No statistically significant associations were found between GBS colonization and other studied factors such as age, parity, income, marital status, or history of drug use.
  • This study identified maternal smoking as a potential risk factor for GBS infection.

    • Implications:

    • The findings suggest that pregnant smokers may represent a high-risk group for GBS colonization.
    • Given the lack of strong demographic risk factors, routine GBS screening during pregnancy could be beneficial for all women.
    • Further research into the biological mechanisms linking smoking and GBS colonization is warranted.