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 …
