Contraception
Cornell University researchers report that a compound known as JQ1 temporarily disrupted meiosis in male mice, halting sperm production during treatment and allowing sperm production and fertility to recover after the drug was stopped. The work was published April 7, 2026, in the Proceedings of the National Academy of Sciences.
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Daiichi Sankyo announced it will begin over-the-counter sales of the emergency contraceptive Norlevo on February 2, marking the first time such a pill is available without a prescription in Japan. The pill must be taken in the presence of a trained pharmacist for safety reasons.