Resumen:
Male infertility can have different causes, one of which may be the presence of etiologic
agents that cause sexually transmitted infections. Among the most important sexually
transmitted infections are human papillomavirus and Chlamydia trachomatis, which are as‐
sociated with infertility in females – whether they cause infertility in men is controversial.
The purpose of the chapter is to review the effect of these two pathogens on male fertility,
the evidence suggests that the most important infertility effect is linked to the condition
of the sperm. However, it is noteworthy that there are few studies with respect to infertil‐
ity in regard to both pathogens, so it is important to further research this to elucidate the
mechanisms by which these pathogens act on male infertility.