Male factor has been considered a major contributory factor to infertility. Along with the
conventional causes for male infertility such as varicocele, cryptorchidism, infections …

BACKGROUND ICSI is currently the most commonly used assisted reproductive technology,
accounting for 70–80% of the cycles performed. This extensive use, even excessive, is partly …

Apoptosis is an ongoing physiological phenomenon that has been documented to play a
role in male infertility, if deregulated. Caspase activation, externalization of …

OBJECTIVE: To investigate sperm viability, incidence of apoptosis, and intracellular basal
and induced reactive oxygen species (ROS) in sperm fractions. DESIGN: Prospective …

BACKGROUND Current routine semen preparation techniques do not inclusively target all
intrinsic sperm characteristics that may impact the fertilization potential. In order to address …

On the one hand, reactive oxygen species (ROS) are mandatory mediators for essential
cellular functions including the function of germ cells (oocytes and spermatozoa) and …

Assisted reproductive techniques (ARTs) have become the treatment of choice in many
cases of infertility; however, the current success rates of these procedures remain …

BACKGROUND Reducing the percentage of sperm anomalies in insemination samples
remains a goal to be achieved in the intra-cytoplasmic sperm insemination (ICSI) procedure …

This study was conducted to test the hypothesis that continuous epididymal sperm depletion
after recurrent ejaculations (REC) in contrast to a period of abstinence (ABS) results in a …

Background Extensive use of different nanoparticles caused significant concerns about their
biological safety. Objective This study aimed to evaluate the effects of cryopreservation on …