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Markers found for bacterial vaginosis


Findings reported in this week’s New England Journal of Medicine (November 3 issue) highlight promising findings from two Seattle-based researchers on the origins of bacterial vaginosis (BV).

In a collaborative effort to identify specific bacterial markers for bacterial vaginosis in vaginal-fluid samples, David Fredricks, MD, of the Program in Infectious Diseases, Fred Hutchinson Cancer Research Center and Jeanne Marrazzo, MD, MPH, of the University of Washington and Harborview Medical Center in Seattle report the detection of three newly recognized bacteria that were highly specific for bacterial vaginosis. Subjects for this study were recruited from Dr. Marrazzo’s Vaginal Health Project and from Public Health-Seattle and King County Sexually Transmitted Disease (STD) Clinic. Although preliminary, the researchers are hopeful that these findings may contribute to identifying the specific cause of and better treatment for the disease.

Bacterial vaginosis is the most common cause of vaginitis, and the most common reason women seek treatment for vaginal symptoms. The cause of BV is not known. In recent years, awareness of the adverse effects of BV has grown markedly. Among pregnant women, BV may cause up to 10% of low-birth weight deliveries, and in several studies has been strongly implicated in increasing women’s risks of becoming infected with other STD and with HIV. While it may cause abnormal discharge, odor, and itching, BV often exists without causing any symptoms, and women may not know they have it. BV can be treated with antibiotics but often comes back. For unknown reasons, lesbians and bisexual women apparently have a higher occurrence of BV than heterosexual women.

Susan Gregg-Hanson | EurekAlert!
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