The yet to be named drug, being developed by researchers at the Monash University, said to be 100 percent effective, will likely be ready in the next five years.
A male contraceptive capable of blocking sperm from leaving the penis during ejaculation is being developed by scientists, it has been reported.
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It blocks two key proteins in the brain that are responsible for releasing swimmers during a male orgasm, the Mailonline has reported.
It is also said to have the ability to boost libido by dilating blood vessels – exactly how Viagra works.
Lead researcher Dr Sab Ventura, according to Mailonline, has announced that trial will begin if the next stage of drug development proves successful."We are moving closer to developing a convenient, safe and effective, non-hormonal oral male contraceptive that can be readily reversed," he said.
He continued: "We aim to do this by developing a combination of two drugs that simultaneously block sperm transport rather than disrupt sperm development or maturation.
"With this non-hormonal approach, sperm are unaffected so the contraception is likely to be readily reversible once the medication has been stopped."
Early laboratory tests shows the drug has no impact on sexual desire.
And that the preliminary trials also showed sperm remained healthy and viable, should men express a desire for children in the future.