Objectives: To identify the contribution of Mycoplasma genitalium to the aetiology of cervicitis in subSaharan Africa and its relative importance in the overall burden of sexually transmitted infections among female sex workers (FSW). Methods: The study population consisted of FSW recruited in Ghana and Bénin during the initial visit of a randomised controlled trial. A questionnaire was administered, a pelvic examination carried out, and cervical samples obtained for detection of M genitalium, Neisseria gonorrhoeae, Chlamydia trachomatis, and Trichomonas vaginalis. Clinical signs potentially indicating cervicitis were cervical discharge, pus on the cervical swab, bleeding after sampling, and inflammatory cervix. Results: Among 826 FSW, 26.3% were infected with M genitalium. N gonorrhoeae was strongly and independently associated with each of the four signs of cervicitis (adjusted odds ratios (AOR): 4.1 to 6.0). The AOR for C trachomatis were intermediate (1.3-4.1) and the AOR for M genitalium were lower (between 1.6 and 1.8) but statistically significant (p(0.05) for each sign. Conclusions: M genitalium is weakly associated with signs of cervicitis in west African FSW but is highly prevalent.

In Accra, approximately four-fifths of prevalent cases of HIV in adult males were acquired from SW. Comprehensive interventions providing education, condoms and treatment for sexually transmitted diseases for SW and their clients should be approached as other public health priorities and provided in all cities, large and small, of West Africa.

The only beneficial impact of PAT was on the prevalence of gonococcal infections among FSWs 9 months after the beginning of the intervention. Although PAT could be more effective in other circumstances, for instance, in the early stages of a program for FSWs, it can not be recommended at present as a routine strategy to control cervical infections among FSWs.

The high HIV prevalence documented in this part of Ghana seems to be, to some extent, a consequence of construction of the Akosombo dam in the 1960s. The flooding of the land, the failures of the resettlement program and the ensuing poverty prompted economically driven migration, specially to Côte d'Ivoire, where many migrants became infected with HIV. Local transmission followed. This illustrates that HIV can disseminate widely in a society where most men are circumcised and where genital ulcerative diseases are uncommon and should be an indication for less complacency about HIV control in West Africa.

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