Plummeting Sperm Counts Cause Concern
Halweil, Brian, The Futurist
Developed countries may see widespread infertility, falling birthrates.
The average sperm count - the number of individual sperm in a given volume of semen - of men in the United States and Europe has plummeted by over 50% since the late 1930s, according to a recent analysis. The finding fuels ongoing concerns that male reproductive health may be deteriorating and that environmental pollutants may be the cause.
Results of 61 studies involving nearly 15,000 subjects show that average sperm counts among healthy American men dropped from 120 million sperm per milliliter of semen in 1938 to just under 50 million in 1998, a decline of 1.5% a year. In Europe, sperm counts …
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Publication information: Article title: Plummeting Sperm Counts Cause Concern. Contributors: Halweil, Brian - Author. Magazine title: The Futurist. Volume: 33. Issue: 9 Publication date: November 1999. Page number: 14. © 1999 World Future Society. COPYRIGHT 1999 Gale Group.
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