Scientists discover reversible male birth control that stops sperm production

Scientists at Cornell University may be closing in on the long-sought "holy grail" of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In a breakthrough mouse study, researchers used a compound called JQ1 to temporarily shut down meiosis—the critical process that produces sperm—without causing la...

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https://www.sciencedaily.com/r....eleases/2026/04/2604

Scientists discover reversible male birth control that stops sperm production | ScienceDaily

Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In a breakthrough mouse study, researchers used a compound called