Fertility: Sperm quality declining among men in US

Vials of donor sperm frozen by liquid nitrogen

Vials of donor sperm frozen by liquid nitrogen

Ted Soqui/Corbis by way of Getty Photos

A 16-year examine of US sperm donors exhibits that sperm high quality has been steadily declining, presumably because of elevated chemical publicity and life-style adjustments.

Chelsea Canon at Reproductive Drugs Associates of New York, a fertility clinic, and her colleagues checked out greater than 170,000 semen analyses performed between 2005 and 2021 for wholesome 19 to 38-year-olds from 9 geographic areas throughout the US. The researchers say the info comes from a “numerous set” of males, though it’s unclear how consultant it …

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