Results 41 to 50 of about 25,310,483 (331)
In view of the well known sensitivity of the seminiferous epithelium to various stress factors and to chemicals one would expect that semen analyses would be part of many screening programs to detect dangerous chemicals and environmental hazards. This is not the case, and our knowledge about the production and functional properties of human spermatozoa
openaire +2 more sources
Body mass index and age correlate with antioxidant supplementation effects on sperm quality: Post hoc analyses from a double-blind placebo-controlled trial [PDF]
Spermatozoa are vulnerable to lack of energy and oxidative stress as a result of elevated levels of reactive oxygen species. Therefore, it is essential that appropriate nutrients are available during maturation.
Agarwal, Ashok +9 more
core +1 more source
Current semen analysis still commonly depends on a manual microscopy method in clinical laboratories worldwide. However, some of the major disadvantages of this technique are that it is labour‐intensive, subjective, laboratory‐based and time‐consuming ...
A. Agarwal +3 more
semanticscholar +1 more source
Symmetry-breaking phase-transitions in highly concentrated semen [PDF]
New experimental evidence of self-motion of a confined active suspension is presented. Depositing fresh semen sample in an annular shaped micro- fluidic chip leads to a spontaneous vortex state of the fluid at sufficiently large sperm concentration.
Cazin, S +6 more
core +7 more sources
Purpose This study aimed to evaluate the clinical efficacy of a portable smartphone-based system for computer-assisted semen analysis (CASA) compared with the results of manual microscopic semen analysis (SA) and laboratory-based CASA for self-evaluation
W. Cheon +6 more
semanticscholar +1 more source
PRODUCTION OF IN VITRO EMBRYO USING SEXED SPERM OF 5/8 GIROLANDO BULLS
We evaluated the "in vitro" blastocyst rate production using bovine sexed semen. Semen from three bulls was used to verify the individual's semen variation, cleavage rates and embryo production.
Pábola Santos Nascimento +5 more
doaj +1 more source
Background and objectives: Semen cryopreservation is widely used in assisted reproduction techniques, and reliable semen analysis is essential to define the clinical practice. However, many parameters used for semen evaluation have high variability among
Karolyn Sassi Ogliari +7 more
doaj
Fatherhood and sperm DNA damage in testicular cancer patients [PDF]
Testicular cancer (TC) is one of the most treatable of all malignancies and the management of the quality of life of these patients is increasingly important, especially with regard to their sexuality and fertility.
Lenzi, Andrea +3 more
core +1 more source
Objective To discuss the role, reliability and limitations of the semen analysis in the evaluation of fertility with reference to the World Health Organization (WHO) fifth edition guidelines, with semen analysis reference values published in 2010.
A. Patel, J. Leong, R. Ramasamy
semanticscholar +1 more source
Abstract Background Sickle cell disease (SCD) is an autosomal recessive hemoglobinopathy affecting millions of individuals worldwide. The clinical expression and psychosocial burden of SCD vary widely across geographical, cultural, and healthcare system contexts, underscoring the need for setting‐specific approaches to assessment.
Desiré Fantasia +7 more
wiley +1 more source

