Male birth control pill passes a safety test | Science News

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Male birth control pill passes a safety test

Men didn’t have worrying side effects from the prototype contraceptive

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9:00am, March 21, 2018
hand holding pill

GO LOW  A prototype male birth control pill caused reproductive hormones in men to plummet to levels known to halt sperm production.

CHICAGO — A once-daily capsule safely suppressed reproductive hormones in men, making it an appealing candidate for a male birth control pill, according to a small study.

After about a month of treatment, a new prototype pill called dimethandrolone undecanoate, or DMAU, had reduced levels of hormones including testosterone that are necessary for sperm production. During that time, none of the 83 men who completed the treatment suffered troubling symptoms that can arise with a dramatic drop in testosterone, researchers reported March 18 at the Endocrine Society’s annual meeting.

“Scientists have been working on a male contraceptive for decades,” says Monica Laronda, a reproductive endocrinologist at the Ann & Robert H. Lurie Children’s Hospital of Chicago, who was not involved in the research. “DMAU shows great promise.” Surveys

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