The incidence of male reproductive failure leading to infertility, whether due to delayed parenthood, environmental issues, genetic factors, drugs, etc., is increasing throughout the world. The diagnosis and prognosis...
The measurement or evaluation and clinical significance of human sperm morphology has always been and still is a controversial aspect of the semen analysis for the determination of a male's fertility potential. In th...
We are very glad to see that the Asian Journal of Andrology published a Special Issue on Semen Analysis in 21st Century Medicine, which well revealed some behind-the-scene controversies of the 5th edition of the WHO l...
It is now well known that levels of sperm disomy correlate to levels of infertility (as well as other factors).The risk of perpetuating aneuploidy to the offspring of infertile males undergoing intracytoplasmic sper...
This article reviews the latest edition of the World Health Organization's manual on seme instructional guide. The methodology used in the assessment of the usual variables in semen many of the less common, but very ...
It is possible and clinically relevant to distinguish between slow and rapid progressive spermatozoa in basic semen analysis. This is discussed in light of the different purposes of semen analysis for the subfertile c...
The very low cut-off value for sperm morphology of 4% morphologically normal spermatozoa, as proposed in the new edition of the World Health Organization (WHO) manual on semen analysis, is in agreement with recently...
The authors of the World Health Organization Semen Analysis Manual are to be congratulated on producing a new edition; it is an essential tool to disseminate good practice in andrology. However, the tests described ha...
Aim:To study whether additional measurements of motility characteristics of spermatozoa by computer assisted semen analysis(CASA)were more sensitive indicators of reduced semen quality than estimates of percentages of...