According to Fox News:
“Men in Sydney, Australia will be among the first in the world to try a new contraceptive giving them control over their own fertility.
ANZAC Research Institute at Concord Hospital has begun testing a new twice-monthly male contraceptive injection.
It works exactly like the female contraceptive pill by shutting down the reproductive function.
The contraceptive tricks the brain into thinking it has already produced sperm and does not affect men’s sexuality.
Earlier studies have found the injection works in 95 percent of men and allows users to become fully fertile within three month of stopping the injections.”
Finally, birth control drugs for men