Infertility is an important medical and social problem in the world and male factor is responsible for about 8% to 15% of couples. A couple is said to be infertile if a female does not conceive after having unprotected sexual intercourse for one year. Variation have been observed in rates and etiology of infertility in terms of gender, sexual history, lifestyle, society, and cultural background this review summarizes current evidence regarding diagnosis and treatment of infertility