It's called Vasalgel, the non-hormonal birth control touts similar results as a vasectomy, but won't stay permanent.
Could be available by 2017.
Quote:
A gel is injected into the vas deferens (the tube the sperm swim through), rather than cutting the vas (as is done in vasectomy). If a man wishes to restore flow of sperm, whether after months or years, the polymer is flushed out of the vas with another injection.
In other words, just one shot (a single treatment) could put more control of preventing unplanned pregnancy in guys' hands, er, penises. The researchers have tested the method on baboons, who were given six months of access to female baboons, and so far, not one has fell pregnant. Soon, researchers will move on to testing on humans, where they'll get a more definite answer.
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http://aplus.com/a/male-birth-control-2017-Vasalgel