High Heat Exposure To Testicles And Infertility

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Male infertility affects approximately one in every seven couples. It can be due to low sperm production, blockages or abnormal sperm function. There are a number of reasons that lead to male infertility and overheating of the testicles is considered to be one of the factors.

Sperm Production

Sperm production is highly sensitive to temperature changes and requires a temperature of 2-4 degrees lower than the body temperature, for sperm production. The placement of the testes in the scrotum, away from the internal heat of the body is due to the same reason.

There is also a network of pampiniform plexus of veins that run around the testes and back into the body. They divert the heat and prevent overheating. The testes are also protected by the cremaster muscle that contracts in cold situations causing the scrotum to be closer to the body and relaxes in hot situations causing the scrotum to hang free away from body heat.

Sperm cells tend to die when exposed to too much heat. Continuous exposure to higher temperatures can cause sperm production to be lower, or cause the production of abnormally shaped sperm cells resulting in infertility.

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