Next-generation, hormone-free contraceptive for women: A hormone-free women's contraceptive with no side effects is one promising use for a new technique developed by researchers to tighten up the mucous membrane – the body’s first line of defense in protecting its inner lining.

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Next-generation, hormone-free contraceptive for women: A hormone-free women's contraceptive with no side effects is one promising use for a new technique developed by researchers to tighten up the mucous membrane – the body’s first line of defense in protecting its inner lining.