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Late Hormonal Levels, Semen Parameters, and Presence of Antisperm Antibodies in Patients Treated for Testicular Torsion
Infertility function testis
2008/12/24
In spite of prompt diagnosis and either orchiectomy or preservation of the affected testis, infertility remains a significant sequel to testicular torsion. The objective of this study was to e...
Filling Time of a Lamellar Capillary-Filling Semen Analysis Chamber Is a Rapid, Precise, and Accurate Method to Assess Viscosity of Seminal Plasma
Lamellar Capillary-Filling Semen Analysis Precise Accurate Method Seminal Plasma
2008/12/24
Among men from infertile couples, increased viscosity of the ejaculate has been reported to occur more frequently than in fertile men (Moon and Bunge, 1968; Bunge, 1970). During standard semen analysi...
Regional Variations in Semen Quality of Community-Dwelling Young Men From Flanders Are Not Paralleled by Hormonal Indices of Testicular Function
FSH inhibin B spermatogenic arrest sperm quality T:LH ratio
2008/12/24
Epidemiological studies of sperm quality are hampered by problems such as low participation rates and poor comparability of results due to methodological differences in semen analysis. More ob...
Relationships Between Serum Hormone Levels and Semen Quality Among Men From an Infertility Clinic
Epidemiology human male reproduction sperm thyroid
2008/12/24
Participation rates in epidemiologic studies on semen quality are generally very low, raising concerns as to the potential for selection bias. Since hormones both initiate and maintain spermat...
The data on trends in semen quality are conflicting and sensitive to geographical variations. Although previous British surveys on semen quality indicate a decline, the northeast of Scotland has ...
Cryptorchidism and Semen Quality：A TEM and Molecular Study
Undescended testes FISH sperm quality electron microscopy
2008/12/24
Cryptorchidism is a pathological condition defined as the failure of the testis to descend into the scrotum, the location of the cryptorchid testis can be in the inguinal canal or in the prescrot...
Correlation Between Semen Parameters and the Hamster Egg Penetration Test（HEPT）Among Fertile and Subfertile Men in Singapore
Semen analysis sperm sperm function assay sperm morphology normal motile count
2008/12/24
The objective of this retrospective study was to distinguish between fertile and subfertile men based on their semen parameters and hamster egg penetration test (HEPT) outcome. This study involved 1...
Ejaculate Volume Is Seriously Underestimated When Semen Is Pipetted or Decanted Into Cylinders From the Collection Vessel
Ejaculate Volume Underestimated Semen Pipetted Decanted Into Cylinders Collection Vessel
2008/12/24
The total sperm count (number of spermatozoa per ejaculate) rather than sperm concentration (number of spermatozoa per unit volume of semen) is the more important semen variable related to fertili...
Semen and Sperm Reference Ranges for Men 45 Years of Age and Older
WHO reference values semen and sperm parameters reproductive hormones
2008/12/24
The most widely used reference values for human semen and sperm variables were developed by the World Health Organization (WHO) to help assess the fertility status of men interested in reproducti...
Two enzymes are involved in the polyol pathway: an aldose reductase that reduces glucose in sorbitol followed by its oxidation in fructose by sorbitol dehydrogenase. It has been previously shown t...
The Relationship Between Human Semen Characteristics and Sperm Apoptosis：A Pilot Study
Semen quality sperm motility sperm morphology DNA diffusion assay
2008/12/23
This work was undertaken to explore the association between human semen characteristics and apoptosis in ejaculated sperm. We collected semen samples from 23 consecutive male patients who presente...
Semen Parameters in Norwegian Fertile Men
Semen variables reference range World Health Organization partners to pregnant women
2008/12/23
The World Health Organization (WHO) provides guidelines for assessing the various semen variables. A set of reference ranges is given in the WHO Laboratory Manual for the Examination of Human Seme...
Seasonal Changes of Neutral -Glucosidase Activity in Human Semen
Human spermatozoa seasonality ejaculate epididymal patency
2008/12/23
Although there are contradictory reports, the biochemical evaluation of the seminal activity of neutral -glucosidase (NAG) has repeatedly been described as an important parameter to test epididyma...
A Review of the Physical and Chemical Properties of Human Semen and the Formulation of a Semen Simulant
Composition human semen simulant microbicide
2008/12/23
A fluid medium was developed to simulate the salient physical and chemical properties of human semen. The composition of the medium was based upon an extensive review of the literature on constitu...
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...