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Inherent variability among measures of fertility of rats and its implications in the design of mating trials
Inherent variability rats mating trials
2009/2/17
Mating trials are used extensively to assess the effects of experimental treatments on the fertility of male or female subjects. Such trials are often insensitive because many measures of fertilit...
Cryopreservation of human semen. Comparison of cryopreservatives, sources of variability, and prediction of post-thaw survival
Post-thaw sperm donor insemination infertility
2009/2/10
Human semen was cryopreserved using Human Sperm Preservation Medium, TEST-Yolk buffer, or glycerol alone. Sperm characteristics for each specimen were measured before and after freezing to determine...
Variability and Laboratory Factors Affecting the Sperm Chromatin Structure Assay in Human Semen
Flow cytometry DNA integrity spermatozoa acridine orange
2008/12/23
During the past decade, the sperm chromatin structure assay (SCSA) has become an important tool for assessing semen quality in the human andrology laboratory. The SCSA uses the metachromatic propert...