Risk factors

Risk factors linked to male infertility include:

• Smoking tobacco
• Using alcohol
• Using certain illicit drugs
• Being overweight
• Having certain past or present infections
• Being exposed to toxins
• Overheating the testicles
• Having experienced trauma to the testicles
• Having a prior vasectomy or major abdominal or pelvic surgery
• Having a history of undescended testicles
• Being born with a fertility disorder or having a blood relative with a fertility disorder
• Having certain medical conditions, including tumors and chronic illnesses, such as sickle cell disease
• Taking certain medications or undergoing medical treatments, such as surgery or radiation used for treating cancer