Recurrent implantation failure refers to failure to achieve a clinical pregnancy after transfer of
at least four good-quality embryos in a minimum of three fresh or frozen cycles in a woman …

To date 15% of couples are suffering from infertility with 45–50% of males being
responsible. With an increase in paternal age as well as various environmental and lifestyle …

OBJECTIVE: To review the mechanisms responsible for DNA fragmentation in human
sperm, including those occurring during spermatogenesis and transport through the …

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

Objective To investigate the effectiveness of intracytoplasmic sperm injection (ICSI) using
testicular sperm as a strategy to overcome infertility in men with high sperm DNA …

Male infertility often involves idiopathic or unknown causes, leading to an increasing
demand for assisted reproduction technologies (ART). Conventional sperm sorting …

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 …

For assisted reproduction technologies (ART), numerous techniques were developed to
isolate spermatozoa capable of fertilizing oocytes. While early methodologies only focused …