Introduction:

Sexually transmitted infections (STIs) can be caused by bacteria, parasites, viruses and fungi. Every day, more than a million people contract an STI. In Paraguay, one in twenty-five people suffers from STIs.

Objective:

Establish the prevalence and determine the most frequent pathogens in STIs diagnosed by the multiplex polymerase chain reaction method, in a urine sample of patients in 2019.

Methods:

Cross-sectional prevalence design, studying the variables age and presence of STIs in 648 patients. The database of the Díaz Gill laboratory of processed urine samples was used, using molecular diagnostic techniques. Descriptive statistical analysis was done using Microsoft ExcelⓇ software.

Results:

The prevalence of sexually transmitted infections in 648 patients was 80.4%, caused by one of the 11 pathogens analyzed. In all groups, the pathogens gardnerella vaginalis, ureaplasma parvum, and candida albicans were the most common. There was no significant difference between the age groups.

Conclusion:

There is a high prevalence of sexually transmitted infections in this sample, where the most frequent causative agents of sexually transmitted infections were gardnerella vaginalis, ureaplasma parvum, and candida albicans.

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