Why do sperm need lower temperature




















To determine the effect of bacterial growth on sperm motility, the experiment was repeated with antibiotics added. None grew any organisms and there was no fall in pH, even at 37 degrees C. Sperm kept in the presence of antibiotics retained motility at 20 and 37 degrees C better than those kept without antibiotics but there was still a significant deterioration p.

These studies show it is better to keep a sample of semen at room temperature 20 degrees C during the time between ejaculation and semen analysis but do not fully explain why this is so. Specimens kept at 37 degrees C lose both motility and viability. But be careful about trying to cool your testicles too much. Avoiding tight underwear and pants, as well as long soaks in a hot tub, can help you lower the risk of a low sperm count caused by overheating.

If you have questions about your testicular health and fertility, talk with a urologist , a doctor who specializes in this area of the body. If excessive testicular sweating is interfering with your day-to-day life, these treatments may help.

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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.

Overheating can be due to reasons that are internal such as in the case of a high fever. It can be also due to factors that are environmental or physiological. Activities such as cooking, grilling, motorcycling, sauna, and cycling can cause heat production. Usage of laptops and cellphones for long durations can also result in overheating.

Physiological factors include Varicocele, late descended testicles and obesity. Healthy sperm production after a heat exposure can take up to three months. Hence it is essential to prevent instances of overheating. Taking breaks, wearing loose fitting underclothes, maintaining a cooler body temperature during hot summers can prevent overheating and keep up the healthy sperm production. Hence Infertility due to overheating of testicles can be avoided if you take a bit of care.

Can Overheating of Testicles Lead to Infertility? Sperm production Sperm production is highly sensitive to temperature changes and requires a temperature of degrees lower than the body temperature, for sperm production. Physiological problems include running a fever, especially for more than a day, and issues with the testicles themselves, such as an undescended testicle or a varicocele, swollen veins due to reduced blood flow.

Obesity can be a factor as well, since fat deposited around the testicles would be an insulator to keep them warmer. Some of these suggestions sound like a joke, but some can make a difference in sperm production. Put that laptop or that oversized cellphone on a table or a desk, not on your lap.



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