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Sperm Counts in Fertile and Infertile Men
Fertility and Sterility, 1979Sperm counts obtained since 1973 for a series of fertile and infertile men in France were studied. The fertile men group consisted of 190 consecutive patients requesting vasectomy who had fathered at least 1 child. The husbands in the infertile couples consisted of 3119 consecutive patients consulting for infertility. In all cases semen was obtained
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Low Sperm Counts May Be Preventable
Science, 2011In the News & Analysis article “Danish sperm counts spark data dispute” (G. Vogel, 17 June, p. [1369][1]), the Danish National Board of Health implies that it is normal for many young Danes to have a sperm count low enough to impair fertility. I disagree. Two recent U.S.
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Secular Trend in Reported Sperm Counts
Andrologia, 2009Claims that there has been a recent secular decline in splerm counts have been disputed. Protaglonists on both sides of the discussion have based their arguments on data from a few large samples at different times and (mostly) in different places. It is not disputed that the differences between the mean counts in the various samples are statistically ...
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[Interpretation of the sperm count].
Revue francaise de gynecologie et d'obstetrique, 1989The sperm count has proved to be one of the first examination performed in evaluating the fertility of a couple. It has been possible to establish a few standardized norms from the sperm count of fertile men, but, except for azoospermia, there is no specific limit beyond which it is possible to confirm the absence of fertilization of a sperm.
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