Male infertility refers to a male’s inability to cause pregnancy in a fertile female. In humans, it accounts for 40–50% of infertility. It affects approximately 7% of all men. Male infertility is commonly due to deficiencies in the semen, and semen quality is used as a surrogate measure of male fecundity.
Factors relating to male infertility include:
Tests for male infertility attempt to determine whether any of these processes are impaired.
Treatment of male infertility depends on the cause, period of infertility, age, your partner’s age, and many personal preferences.