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6 Main Causes of Male Infertility
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6 Main Causes of Male Infertility

Despite stereotypes that suggest the main responsibility for conception lies with the woman, the man plays a key role in one-third of infertility cases. What are the problems that most often arise for men?

Dr. Paul
Article author

Dr. Paul

Urologist

Decrease in the number and quality of spermatozoa

The most common cause of deterioration in sperm quality is varicocele, which are varicose veins surrounding the spermatic cord. As a result of impaired blood flow in the scrotum, the temperature rises, which negatively affects sperm production. Additionally, the quality and quantity of sperm can be affected by infections, frequent trips to the bath or sauna, hot showers or baths, and wearing tight underwear.

A normal sperm count is more than 15 million sperm per milliliter of semen or more than 39 million sperm per ejaculate.

Difficulties with sperm movement

The passage of sperm can be impeded by scarring caused by sexually transmitted diseases and testicular inflammation.

Hormonal imbalance

Infertility can be caused by abno...

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October 28, 2025
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6 Main Causes of Male Infertility - Ornament Community