Category Archives: Fertility

Continued decline of semen quality in the Western World

In 1992 Carlsen and coworkers published a controversial meta study claiming, that there had been a decline in mean sperm count from 113 million per ml in 1940 to 66 million per ml in 1990 and in seminal volume from 3.40 ml to 2.75 ml (p = 0.027), indicating an even more pronounced decrease in…
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