A New Birth Control Option For Men And Women Could Turn Sperm 'Off'

By Kristy Rice May 22, 2017

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While there are a number of birth control options available to women, there haven't been any significant developments in the market for males since the condom, which 5.7 million women still rely on as their primary form of birth control.
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And while the condom's ability to barricade sperm from egg has been relied upon for centuries, scientists recently found a way to simply turn sperm 'off'. I'll elaborate.
To reach and penetrate the egg, sperm have to be able to do two things: swim and drill. While swimming to reach the egg, sperm are beating their tails from side to side, but a different function is used to drill themselves into the egg itself.
Instead of side to side, the tail begins to quickly turn in one direction, its head becoming a corkscrew that barrels into the egg. Scientists call this move the 'power kick'.
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Source: Wired
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