Prevalence of sexually transmitted infections and vaginal infections in women inmates of a prison in Arica city

Abstract

Background: Sexually transmitted infections (STIs) have increased their incidence worldwide in the last decade, as well as in Chile. One of the affected populations is the deprived of liberty. Aim: To evaluate the STI prevalence in women from the Arica y Parinacota Preventive Detention Center (Chile) and its association with biodemographic factors. Methods: 127 women were studied who underwent a bivariate analysis of the serology results for HBV, HCV, HIV1-2 and VDRL, and a study of conventional microbiological vaginal discharge including Trichomonas vaginalis, Neisseria gonorrhoeae and Chlamydia trachomatis. Results: 33.1% of the inmates had at least one STI, where, women under 34 years old, drug use and more than one sexual partner were at greater risk. The most prevalent STI were HIV (15.7%) and syphilis (7.9%) associated with drug use and sexual intercourse before the age of 14. Trichomonas vaginalis (12.9%) was identified in young women with more than one sexual partner. 53.2% had a positive culture, mainly with Gardenella vaginalis (32.3%) associated with an increase in sexual partners and a shorter stay in prison. Candida albicans (11.3%) had a higher prevalence in non-heterosexual women between 19 and 24 years old. Chlamydia trachomatis, HBV, HCV and N. gonorrhoeae had lower prevalences. Conclusion: There is a high frequency of HIV, syphilis and T. vaginalis, predominance of G. vaginalis in approximately a third of the women studied and about half of the cases studied have vaginal dysbiosis.