Male birth control options have been limited to condoms or vasectomy. Since the late 50's scientists have been working on a male birth control pill. This article reviews the development history of male birth control and what options might be available in the future.
Can heat be used to lower sperm count? Sperm are much more sensitive to heat than the rest of the body. Prolonged exposure to heat sources such as hot tubs is a well-known cause of reduced sperm count. Repeated and consistent exposure to heat can knock down sperm count so low that it can render a man temporarily infertile.