At least 50% of infertility is partly or completely attributable to a male factor. Some factors affecting infertility is related to genetic and environmental factors. This study examined demographic characteristics of men with infertility were referred to the Shariati Hospital Infertility Clinic. This is a cross-sectional study. 200 eligible patients were enrolled with written consent Face-to-face interviews were based on a questionnaire that included variables on socio-demographic characteristics and Sperm analysis test performed by all individuals. Their height and weight measurements were recorded. The mean age was 34.1 ± 5.7 the average year after marriage number was 3.6 ± 1.3 years. The majority of people were self-employed, and a high...