After decades of research, experiments and failure, scientists may have finally made the breakthrough needed to create a non-barrier contraception for men that doesn’t require surgery. Yes, the birth control pill for men may finally become a reality.

Researchers at the University of Wolverhampton in the United Kingdom have come up with a new approach that may make men temporarily infertile. It uses a peptide — a short chain of amino acids — that inhibits the ability of the sperm to swim, making it impossible for it to fertilize the egg. In collaboration with scientists from Aveiro University in Portugal, the U.K. researchers created a cell-penetrating peptide that turns off the protein that allows the sperm to swim.

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