A 16-year study of sperm donors in the United States has shown that sperm quality is steadily declining, probably due to increased exposure to chemicals and lifestyle changes.
Chelsea Canon At the Reproductive Medicine Associates in New York, a fertility clinic, her colleagues conducted more than 170,000 healthy 19-38 years from nine geographic regions of the United States between 2005 and 2021. I examined the semen analysis of. Researchers say it’s unclear how representative the data are, but the data come from a “diversified set” of men …
Childbirth: Poor sperm quality among U.S. men
Source link Childbirth: Poor sperm quality among U.S. men