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Sex Transm Dis. 2007 May;34(5):274-9.

Mycoplasma genitalium infection and persistence in a cohort of female sex workers in Nairobi, Kenya.

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Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, CA, USA.



The objective of this study was to assess the risk factors for and persistence of Mycoplasma genitalium (MG) in a highly exposed female population in Kenya.


Two hundred fifty-eight sex workers in Nairobi, Kenya, 18 to 35 years of age, were enrolled. Every 2 months, cervical samples were collected for MG, Chlamydia trachomatis (CT), and Neisseria gonorrhoeae (GC) testing by polymerase chain reaction.


At enrollment, 16% were infected with MG. Seventy-seven subjects acquired 107 MG infections, giving an incidence of 22.7 per 100 women-years. Incident CT (adjusted hazard ratio [HR] = 2.4; 95% confidence interval [CI] = 1.5-4.0), GC (HR = 2.0; 95% CI = 1.2-3.5), and HIV infection (adjusted HR = 2.2; 95% CI = 1.3-3.7) were associated with an increased risk of MG. Seventeen percent, 9%, and 21% of MG infections persisted 3, 5, and >or=7 months, respectively.


The high incidence of MG, greater than that for both CT (14.0%) and GC (8%), association with common sexually transmitted infection risk factors, and persistence in the female genital tract supports its role as a common sexually transmitted infection in Kenyan women.

[Indexed for MEDLINE]

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