Abstract
To the Editor, World Health Organization (WHO) defines infertility as the inability of a sexually active partner to achieve a clinically confirmed pregnancy after at least one year of intercourse without contraceptive protection on fertile days. As women are primarily responsible for the conception, childbirth, and postpartum, fertility problems have been related to fertile female capacity. However, men play an essential role, being responsible for about 50% of alterations in fertility due to dysfunctions in the male reproductive tract, including varicocele, hypogonadism, poorly descended testicles, testicular tumors, and even anti-sperm autoantibodies [...].