UNR's School of Medicine reveals new cause of male infertility

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    A recent research at the University of Nevada, Reno's school of Medicine reveals a new cause of infertility in men.

    According to the National Institutes of Health, about 9 percent of men and nearly 11 percent of women of reproductive age in the United States have experienced fertility problems. In one-third of infertile couples, men are often the cause of the infertility.

    UNR med professor Wei Yan says his research team found out that efferent duct obstructions may be to blame for male infertility. That means that there might be a blockage when it comes to sperm transport.

    “We realized that the primary cause of male infertility may lie in a blockage in the efferent ducts, which has never been observed or reported in animals or humans,” said Yan.

    Yan’s research team also developed a new treatment that allows infertile mice with efferent duct obstructions to regain fertility, which could one day be translated into human applications.

    The treatment so far has been successful.

    (University of Nevada, Reno School of Medicine contribute to this story)

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