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Recurrent bacterial vaginosis: association with vaginal sponge use.
1University of Oklahoma Health Sciences Center, Department of Family Medicine, Oklahoma City 73104.
Summary
Sponge use may increase the risk of bacterial vaginosis (BV) recurrence. This study suggests non-sexual factors, like contraceptive sponge use, could contribute to BV infections, prompting a need for alternative contraception methods for affected patients.
Area of Science:
- Reproductive Health
- Microbiology
- Epidemiology
Background:
- Bacterial vaginosis (BV) is a common vaginal condition.
- Recurrences of BV are frequent and impact women's health.
- Previous research has focused on sexual transmission as the primary cause of BV.
Purpose of the Study:
- To investigate potential risk factors for bacterial vaginosis recurrences.
- To explore non-sexual transmission factors, specifically contraceptive sponge use.
- To re-evaluate the role of sexual partner treatment and diaphragm use in BV recurrence.
Main Methods:
- Hypothesis-generation study analyzing data from a randomized controlled trial.
- Included 72 women with normal vaginal gram-stained slides at baseline.
- Assessed bacterial vaginosis recurrence using vaginal gram-stained slides over a 6-week follow-up period.
Main Results:
- Twenty-six-point-two percent (19/72) of women experienced BV recurrence.
- Sponge users had a significantly higher recurrence rate (66% vs. control, RR 2.93).
- Logistic regression confirmed an association between sponge use and BV recurrence (adjusted RR 2.71), while diaphragm's protective effect was confounded by partner treatment.
Conclusions:
- Contraceptive sponge use is a potential risk factor for bacterial vaginosis recurrence.
- Factors other than sexual transmission may contribute to BV recurrences.
- Alternative contraception methods may be advisable for women experiencing recurrent BV infections.