Linked from
The 12 pages that link to Male infertility, each with the reason it gives.
SpermatogenesisRelated: Impaired spermatogenesis is a major cause of male-factor infertility.
SpermatozoonRelated: Low sperm production, impaired movement, or abnormal function can contribute.
SemenRelated: Abnormal semen findings can help identify causes of reduced fertility.
MaleBroader topic: It concerns reproductive difficulties associated with male-factor causes.