Non-hormonal male contraceptive implant lasts at least two years in trials

Product known as Adam implanted in sperm ducts could offer a reversible alternative to condoms and vasectomies

An implantable, non-hormonal male contraceptive has been shown in trials to last for at least two years.

The contraceptive, known as Adam, is a water-soluble hydrogel that is implanted in the sperm ducts, preventing sperm from mixing with semen.

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