Aim: To evaluate the association between selected potential socio-demographic and behavioral risk factors and infertility in Nigerian men.

Methods: There were two groups in this study. One group consisted of 150 men with proven male infertility, and the other consisted of 150 fertile men with normal semen parameters.Both were matched for age, place of residence and key socio-demographic variables. They were compared for sexual history, past medical and surgical history, past exposures to sexually transmitted infections and treatment, past and current use of drug as well as smoking and alcohol intake history.

Results: Infertile men were significantly.

A case-control study of risk factors for male infertility in Nigeria