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 …

In assisted reproductive technology (ART), the aim of sperm cells' preparation is to select
competent spermatozoa with the highest fertilization potential and in this context, the …

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

BACKGROUND In natural conception only a few sperm cells reach the ampulla or the site of
fertilization. This population is a selected group of cells since only motile cells can pass …

Almost 50% of the infertility cases are due to male factors. Assisted reproductive
technologies (ARTs) allow to overcome the incapacity of these patients' spermatozoa to …

OBJECTIVE: To evaluate the role of hyaluronic acid (HA) for sperm selection before
intracytoplasmic sperm injection (ICSI). DESIGN: Three prospective studies. SETTING …

Objective To study the impact of sperm DNA fragmentation (SDF) on clinical outcomes of
assisted reproductive technology in women with different age ranges. Design Historical …

Sperm DNA fragmentation tests provide clinically relevant information for natural conception
and artificial reproduction independent of those derived from conventional semen …

Background The initial step in the diagnostic investigation of male infertility has been
traditionally based on the conventional seminal profile. However, there are significant …

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