KUOW reports that the School of Medicine at the University of Washington is one of three sites in the country testing the gel, which is “made from a female contraception hormone, progestin, and testosterone.” Testers are rubbing the gel on their shoulders. It works by reducing sperm count, with few side effects noted so far.
“There hasn’t been a new technique for men two hundred years or something,” he said, referring to condoms, which have been around since 1839. Vasectomies, too, are more widespread, but can mean the end of a man’s fertile life. Other measures, approved elsewhere, have not taken off in the U.S.