Objective: To explore the incidience of chromosome abnormality of the patients with oligozoospermia or azoospermia and male infertility,to discuss the relationship between the quantitative and structural abnormality of chromosome and to lay the foundation for the clinical diagnosis and consultation.Methods: A retrospective analysis was conducted from January 1,2015 to May 1,2016,in the Center for Reproduction Medicine,the Second Hospital of Jilin University,with male reproductive abnormalities history exclu...