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Prevalence and factors associated of Trichomonas vaginalis infection among pregnant women in Bobo-Dioulasso, Burkina Faso.

Epidemiological studies of vaginalis trichomonosis, especially in pregnant women are rare in Africa due to the lack of screening programs. The present study aimed to assess the prevalence of T. vaginalis infection and its associated factors in pregnant women who attended the antenatal care clinics in three primary health centers of Bobo-Dioulasso. We carried out a cross-sectional study for descriptive and analytical purposes from February to April 2015 in pregnant women seen in prenatal consultations. The study took place in 3 primary public health centers: Guimbi (Central Urban), Bolomakoté (Peri-urban) and Yéguérésso (rural). The trophozoites of Trichomonas vaginalis was carried out by microscopy on vaginal swabs and urine samples. Sociodemographic, obstetric and biological variables were also collected. A total of 315 pregnant women were included in the study. The overall prevalence of urogenital trichomonosis was 3.2%. It was 1.9% in Guimbi, 2.9% in Bolomakoté, and 4.7% in Yéguérésso. The prevalence of HIV infection was 2.2%. Married women were less exposed to T. vaginalis infection than single women (p=0.03). The prevalence of urogenital trichomonosis obtained was considered lower compared to the previously reported from Burkina Faso. Thus, it is essential to extend this study to the whole country periodically by integrating other STIs not subject to a surveillance system and by integrating molecular epidemiology tools.