Washington: A hormonal gel combo applied daily to the skin showed promise as a male contraceptive by reducing sperm production, say US scientists.About 89 percent of men using the new combo of skin gels enriched with testosterone and a new synthetic progestin called Nestorone, reported very low sperm counts. "This is the first time that testosterone and Nestorone have been applied to the skin together to deliver adequate amounts of hormones that suppress sperm production," said principal investigator Christine Wang, professor at the University of California`s Los Angeles Biomedical Research Institute."Men can use transdermal (skin) gels at home - unlike the usual injections and implants, which must be given in a health care provider`s office," added Wang, according to a California statement.
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