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  >So I've taken out my sperm production using the old heat methods. It works, I've checked.
What does this mean? That you raise your .. body .. temperature to the point that potentially some sperm die?

In a consultation for a vasectomy, the urologist strongly wanted that alternative forms of birth control be used for several months as sperm already in the system - unless you're naturally not producing sperm, I doubt the viability of your methods.



He's right - that does work. Depending on the temperature a man can be sterile for up to 3 months.

It's not completely reversible though, if used for long periods of time sperm counts drop permanently. (But not to zero.)

See here: https://en.wikipedia.org/wiki/Heat-based_contraception


Local heating is sufficient, but there is at least 3 month latency.

Dr Roger Mieusset and volunteers tested a modified underwear with success and reversibility after 4 year use.

Photos of the modified underwear + usage (NSFW/medical) can be found here : http://www.contraceptionmasculine.fr/415771934




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