The last time a male contraceptive was approved for use in the United States was in the 1980s. Finally, in 2026, alternatives to condoms and vasectomies are on the horizon. The next generation of male contraceptives is already in phase 2 human clinical trials , and now, after years of work in mice, scientists at Cornell University have discovered how to block sperm formation within the testes at a critical point. Their newly tested contraceptive drug proved to be effective, safe, and reversible