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Quality control during the conventional analysis of semen, an essential exercise
Quality control conventional analysis semen essential exercise
2009/2/23
Intra- and inter-technician variability in assessing sperm motility by the methods recently advocated by the World Health Organization (WHO) were studied. The intra- and inter-technician variability...
Acute effects and long-term sequelae of 1,3-dinitrobenzene on male reproduction in the rat. I. Sperm quality, quantity, and fertilizing ability
long-term sequelae 1,3-dinitrobenzene male reproduction rat
2009/2/23
Groups of eight adult male rats were given a single oral dose of 0 or 48 mg/kg of 1,3-dinitrobenzene and sacrificed at 1, 2, 4, 8, 16, 24, 32, 72, and 175 days posttreatment. The groups killed at 17...
The sperm chromatin structure assay. Relationship with alternate tests of semen quality and heterospermic performance of bulls
sperm chromatin structure assay alternate tests semen quality heterospermic performance
2009/2/23
Data obtained by the sperm chromatin structure assay (SCSA) on spermatozoa from nine bulls were correlated with fertility, measured by heterospermic performance (-0.94, P less than 0.01) and by al...
Improvement in the quality and fertilization potential of a human sperm population using the rise technique
fertilization potential human sperm population rise technique
2009/2/23
Semen from 63 individuals participating in an in vitro fertilization program was processed using a modified rise technique. Overall normal morphology was significantly improved in the rise (79.2%) as ...
A prospective study of the relationship between semen quality and fertility in cases of unexplained infertility
hamster oocyte penetration sperm motility unexplained infertility
2009/2/20
The male partners of 68 couples exhibiting 5.1 +/- 0.3 (SEM) years of unexplained infertility were assessed using the conventional criteria of semen quality, the movement characteristics of the sper...
A Method for Improvement of Sperm Quality of an Ejaculated Human Specimen Using Bovine Cervical Mucus as a Biological Filter
teratozoospermia bovine cervical mucus penetration test
2009/2/19
A method is described for improving the quality of semen from subfertile men. Semen samples were filtered through bovine cervical mucus (collected at estrus) into spermatozoa-free seminal plasma (fr...
Antioxidant potential of human serum albumin：role in the recovery of high quality human spermatozoa for assisted reproductive technology
Percoll Cypridina luciferin analog MCLA superoxide
2009/2/17
Human serum albumin (HSA) is being considered as an alternate media for sperm enrichment in assisted reproductive technology (ART) because of recent concern with the use of Percoll. In this study,...
Effect of repeated testicular biopsy on testis function and semen quality in dogs
Sperm output sperm motility spermatogenesis
2009/2/17
The study was designed to quantitatively evaluate the effect of repeated testicular biopsy of avascular areas by the open method on spermatogenesis, semen quality, and sperm output in dogs. After a ...
The effect of follicle-stimulating hormone therapy on sperm quality：an ultrastructural mathematical evaluation
follicle-stimulating hormone therapy sperm quality ultrastructural mathematical evaluation
2009/2/17
We investigated the effect of follicle-stimulating hormone (FSH) administration on the ultrastructure of spermatozoa in order to evaluate the potential of FSH therapy for improving sperm quality. Fo...
Effects of psychological stress on human semen quality
psychological stress human semen quality
2009/2/17
We investigated the relationship between psychological stress and sperm concentration, motility, and morphometry in a prospective study of 157 volunteers who were enrolled in a prepaid health plan. ...
Selenium supplementation enhances the element concentration in blood and seminal fluid but does not change the spermatozoal quality characteristics in subfertile men
Selenium supplementation element concentration
2009/2/13
The objective of this study was to evaluate the effect of selenium (Se) supplementation on Se concentration and glutathione peroxidase (GSH-Px) activity in blood components and seminal fluid and o...
Scrotal and oral temperatures are not related to semen quality of serum gonadotropin levels in spinal cord-injured men
Electroejaculation sperm fertility paraplegia neuroendocrine
2009/2/13
Scrotal temperature, oral temperature, and the difference between oral and scrotal temperature were measured in spinal cord-injured subjects (SCI) and non-injured subjects as controls. We statisti...
Post-thaw bovine spermatozoal quality estimated from fresh samples
Post-thaw bovine spermatozoal quality fresh samples
2009/2/12
Comparisons were made among flow cytometrically quantified populations of fresh and cryopreserved bovine spermatozoa, tri-stained with fluorophores rhodamine 123 (R123), 5- (and 6-) carboxy-4',5'-di...
Leukocytic infiltration into the human ejaculate and its association with semen quality, oxidative stress, and sperm function
Leukocytes reactive oxygen species sperm function
2009/2/12
Immunocytochemical techniques have been used to monitor the size and composition of the leukocyte population in unfractionated human semen samples and sperm populations generated by Percoll gradie...
Relationship of semen quality, number of sperm inseminated, and fertility in rabbits
semen quality sperm inseminated fertility rabbits
2009/2/12
The relationship between the total number of sperm inseminated, semen quality, and fertility in rabbits was investigated, using fractionated or unfractionated semen and different diluting fluids. Se...