Heat-based contraception
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An experimental male contraceptive method involves heating the testicles so that they cannot produce sperm. Sperm are best produced at a temperature slightly below body temperature, which is why the scrotum exists in the first place. Limited research has shown that raising the temperature of the scrotum above body temperature, even for short periods of time, can affect fertility for months.
Methods used include hot water applied to the scrotum, heat generated by ultrasound, and artificial cryptorchidism (holding the testicles inside the abdomen) using specialized briefs. Initial experiments suggest it is effective, safe, and reversible, though there have not been long-term studies to determine if it has any side effects on the body or quality of sperm after reversal. The optimal heat level and time period of exposure are not known.
[edit] See also
[edit] External links
- methods - thermal - simple heat
- methods - thermal - suspensories
- A toxicologist's account of successful experiments on himself with suspensory briefs
- Excerpts from some research papers
- Wet heat and artificial cryptorchidism
- Laptops a Hot Fertility Issue - Can also be an undesirable effect
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