It has been seen that heating of the testicles can disrupt male fertility. Earlier it was used as a precaution to prevent men from losing their fertility but nowadays with the use of right technique it can be used as a contraception method. The basic idea behind the heat method of male contraception is subjecting your testicles to heat so that the sperm count might drop and it becomes safe for you have unprotected sex not ending in a pregnancy. It has been a misconception from quite some time that overheating your testicles can hinder with your sexual reproductivity. This concept has been utilized in the heat method of male contraception. But it is not true that a man becomes impotent after this procedure. Subjecting your testicles to heat only reduces the sperm count for a specific amount of time after that the sperm count goes back to normal.

The testicles are generally cooler than the rest of the body because they are located outside the body near the crotch. This is why when the testicles are heated the sperm count is reduced along with reduced swimming strength of rest of the sperms. It is a fairly reliable means of contraception.