Association between semen exposure and incident bacterial vaginosis.

Maria F Gallo, Lee Warner, Caroline C King, Jack D Sobel, Robert S Klein, Susan Cu-Uvin, Anne M Rompalo, Denise J Jamieson
Author Information
  1. Maria F Gallo: Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, GA 30341-3724, USA. mgallo@cdc.gov

Abstract

OBJECTIVE. To identify correlates of incident bacterial vaginosis (BV) diagnosed with Nugent scoring among high-risk women. STUDY DESIGN. We conducted both cohort and case-crossover analyses, stratified by HIV infection status, based on 871 HIV-infected and 439 HIV-uninfected participants in the HIV Epidemiology Research Study, conducted in 4 US sites in 1993-2000. RESULTS. BV incidence was 21% and 19% among HIV-infected and -uninfected women, respectively. Fewer correlates of BV were found with case-crossover than with cohort design. Reporting frequent coitus (regardless of consistency of condom use) was correlated with BV in cohort analyses but not in case-crossover analyses. The sole correlate of BV in both types of analyses was the detection of spermatozoa on Gram stain, which is a marker of semen exposure. CONCLUSION. The inconsistent association between condom use and BV in prior studies could be from reporting bias. We found evidence of a relationship between semen exposure and incident BV.

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Grants

  1. U64/CCU106795/PHS HHS
  2. U64/CCU206798/PHS HHS
  3. U64/CCU306802/PHS HHS
  4. U64/CCU506831/PHS HHS

MeSH Term

AIDS-Related Opportunistic Infections
Cohort Studies
Cross-Over Studies
Female
HIV Infections
HIV Seronegativity
Humans
Incidence
Pregnancy
Semen
United States
Unsafe Sex
Vaginal Smears
Vaginosis, Bacterial

Word Cloud

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