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  • Title: Prevalence of Chlamydia trachomatis, Mycoplasma hominis, Mycoplasma genitalium, and Ureaplasma urealyticum infections and seminal quality in infertile and fertile men in Kuwait.
    Author: Al-Sweih NA, Al-Fadli AH, Omu AE, Rotimi VO.
    Journal: J Androl; 2012; 33(6):1323-9. PubMed ID: 22052774.
    Abstract:
    This study was undertaken to determine the prevalence of Chlamydia trachomatis, mycoplasmas, and ureaplasmas in semen samples of infertile compared with fertile men and to evaluate the seminological variables of semen from infected and noninfected men. A total of 127 infertile and 188 fertile men seen in a maternity hospital clinic were recruited into the study over a period of 14 months. Specimens were obtained by masturbation and examined for the presence of Ureaplasma urealyticum, Mycoplasma hominis, Mycoplasma genitalium, and C trachomatis by polymerase chain reaction. Semen analysis was performed according to World Health Organization guidelines. U urealyticum, M hominis, M genitalium, and C trachomatis were demonstrated in the semen samples of 31 (24.4%) vs 49 (26.1%), 22 (17.1%) vs 61 (32.4%), 6 (4.7%) vs 6 (3.2%), and 5 (3.9%) vs 7 (3.7%), respectively, of infertile and control men. Mixed infections were detected in 14 (11%) of infertile and 29 (15.4%) of fertile men. The infertile men positive for M hominis had semen samples that showed statistically significant differences in the mean of sperm pH and leukocyte count between infected and uninfected men (P < .03 and P < .001, respectively). Similarly, there was statistically significant difference in the leukocyte counts of M genitalium and C trachomatis in infected compared with uninfected men. A similar trend was noted in infected fertile compared with uninfected men. The difference in prevalence of these urogenital pathogens among infertile compared with fertile men was not statistically significant. However, genital mycoplasmas and chlamydial infections appeared to influence semen quality negatively.
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