n Obstetrics and Gynaecology Forum - Lifestyle and the influence on semen parameters : editorial

Abstract

Infertility, defined as the inability of a sexually active couple to conceive after 1 year of regular intercourse without contraception, affects approximately 15% of couples, and male factors are the cause in 20%-50% of cases. Despite technological advances, the cause of male infertility is unknown in 25% of these cases. Infertility of unknown origin is classified into idiopathic male infertility and unexplained male infertility according to semen quality.