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Temporary vasectomies could be a "game-changer" for contraception if a world-first trial at a Melbourne hospital is successful.
Twenty-five men taking part in the study will have a hydrogel injected into the vas deferens — the tubes that carry sperm — to stop sperm travelling from the testicles.
It's believed the effect of the hydrogel would last for about two years and could then be reinjected, offering an alternative to a standard vasectomy, which is intended to be permanent.
Jonathan Chrimes