What causes infertility in men?

male infertility

Conditions that can contribute to abnormal semen analyses include -

· Varicoceles, a condition in which the veins on a man's testicles are large and cause them to overheat. The heat may affect the number or shape of the sperm.

· Medical conditions or exposures such as diabetes, cystic fibrosis, trauma, infection, testicular failure, or treatment with chemotherapy or radiation.

· Unhealthy habits such as heavy alcohol use, testosterone supplementation, smoking, anabolic steroid use, and illicit drug use.

· Environmental toxins including exposure to pesticides and lead.

· High mental stress.

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