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OBJECTIVE to conduct a comparative study of the composition of the microbiota of the urethra in men with ****ually transmitted infections (STIs), and healthy men. MATERIAL AND METHODS The study included 103 men aged 18 to 45 years 42 men with urethritis caused by STIs and 61 clinically healthy men. Identification of pathogenic and conditionally pathogenic microorganisms in scrapings from the urethra was performed by PCR in real time (test system Androflor (DNA-Technology, Moscow). RESULTS In the analysis of the total bacterial mass, it w