Sperm motility variability
Factors affecting the variability of semen analysis results in infertile men. Sperm motility was lower in winter and higher in summer in both groups and also, but.
Factors affecting the variability of semen analysis results in infertile men.
Description:In order to evaluate the source s and extent of errors in routine semen analysis, internal quality control IQC has been recently introduced in the reproductive biology laboratory Mortimer et al. Such essential practice provides the opportunity for individual laboratories to evaluate grossly their own methods against those of others. No participant followed rigorously the WHO guidelines for routine semen analysis, and there were some differences in procedure among centres, as summarized in Table I. The semen characteristics evaluated in the present study were sperm concentration, the percentage of motile spermatozoa, and the percentage of living spermatozoa. This indicated that stress may be an additional risk factor for idiopathic infertility.
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