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Ultrasound as a Long-Term, Reversible Male Contraceptive

James Tsuruta and Paul Dayton of the University of North Carolina, Chapel Hill will study the ability of therapeutic ultrasound to deplete testicular sperm counts. Characterizing the most beneficial timing and dosage could lead to the development of a low-cost, non-hormonal and reversible method of contraception for men.

More information about Create New Technologies for Contraception (Round 4)

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View the Grand Challenges partnership network

The Bill & Melinda Gates Foundation is part of the Grand Challenges partnership network. Visit www.grandchallenges.org to view the map of awarded grants across this network and grant opportunities from partners.