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Chlamydia Infection & Infertility in Males

Male infertility – bacterial infection in testicular tissue?

Chlamydia infection in men has not been as widely studied as it has in women, despite similar infection rates. Chlamydia trachomatis is one of the most common sexually transmitted bacterial infection in the world.

In the results from a study by Queensland University of Technology (QUT) past October 2019, for the very first time it highlighted the potential effect of undiagnosed sexually transmitted chlamydia infection (no reported symptoms of infection or previously diagnosed with sexually-transmitted infection, STI) on male infertility that had no identified cause. The bacteria responsible is chlamydia trachomatis.

Chlamydia infection is one the associated cause with women’s infertility but much less is known about its impact on male fertility, as men do not experience any symptoms of infection. The chlamydia infection in human testicular tissue could be a potential role of failure of sperm production in the testes.

Professor of Immunology, Beagley from QUT mentioned that testicular tissue testing could be useful for future screening to improve reproductive outcomes, as diagnosis of chlamydia infection Is usually done by urine sample analysis, but the infection may not be picked up through a urine test.

The infection may not shed into the urinary system or only do so intermittently. This is due to the fact that some of the patients whose fresh biopsies show positive for chlamydia, but the urine analysis results tell otherwise.


(Updated : January, 2020)

Disclaimer : The website may contain information relating to various conditions and treatment, gathered and sourced from reputable sources. However, this is not a substitute for professional medical advice, diagnosis or treatment, it is solely intended for informational purposes only. Patients should always consult with a doctor or healthcare provider for thorough medical advice and information about diagnosis and treatment.



  1. Emily R Bryan, Robert I McLachlan, Luk Rombauts, Darren J Katz, Anusch Yazdani, Kristofor Bogoevski, Crystal Chang, Michelle L Giles, Alison J Carey, Charles W Armitage, Logan K Trim, Eileen A McLaughlin, Kenneth W Beagley. Detection of chlamydia infection within human testicular biopsies. Human Reproduction, 2019

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