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How a new male contraceptive gel showing promise in clinical studies works

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Synopsis

More than 60 years after a birth control pill was developed for women, there is still no similar federally approved drug for men. But promising results from a new gel for men might finally change that. Early results show it blocks sperm production after two to three months of daily use. William Brangham discussed more with Dr. Brian Nguyen. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders