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- W2277177306 abstract "Sperm 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 at the laboratory by masturbation after a recommended mean period of abstinence of 3 days. The sperm counts were obtained by means of hemocytometer. There were 230 cases of azoospermia among infertile men (7.4%). The remaining 2889 subjects were retained for the study. The median sperm counts were 86 x 106/ml for the fertile men and 47 x 106/ml for the infertile men. The difference was highly significant. It was immediately apparent from the histograms for the 2 groups that low sperm counts were most often found among the infertile men. The sperm counts observed for the fertile men resemble closely those reported by MacLeod and Gold but they are considerably higher than those of Nelson and Bunge and of Zukerman et al. The present results fail to reveal any modification in the sperm count of fertile men since the results of MacLeod and Gold were published. The threshold value distinguishing fertile men from infertile men was found to be higher than that obtained by MacLeod and Gold and Zukerman et al and there was an increased risk of consulting for infertility as a result of the low counts." @default.
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- W2277177306 date "1979-04-01" @default.
- W2277177306 modified "2023-10-17" @default.
- W2277177306 title "Sperm Counts in Fertile and Infertile Men" @default.
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- W2277177306 doi "https://doi.org/10.1016/s0015-0282(16)43947-6" @default.
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