The male factor contributes to 50% of infertility. The cause of male infertility is idiopathic and
could be congenital or acquired. Among different factors which are involved in idiopathic …

Male infertility is attributable to 60% of total infertility cases and about 30-50% of these cases
remain idiopathic. In the Middle East and North Africa region (MENA), male infertility affects …

Background Male factor is the major contributor in roughly half of infertility cases. Genetic
factors account for 10–15% of male infertility. Microdeletions of azoospermia factors (AZF) …

Chromosomal polymorphism has been reported to be associated with infertility, but its effect
on IVF/ICSI‐ET outcome is still controversial. To evaluate whether or not chromosomal …

Genes involved in piwi-interacting RNAs (piRNAs) pathway have an essential role in
spermatogenesis. HIWI and TDRD proteins are critical for piRNA biogenesis and function …

Background: About 15% of couples have infertility problems which 40% of them are related
to the male factors. Genetic factors are candidate for about 10% of male infertility conditions …

Background: The PIWI-interacting RNA (piRNA) pathway has an essential role in transposon
silencing, meiosis progression, spermatogenesis, and germline maintenance. HIWI genes …

Background: In some cases infertile men showed small deletions of specific genes in the Y
chromosome. It had been confirmed, these deleted genes are greatly associated with …

To investigate the clinical, hormonal, and genetic factors in infertile men with idiopathic
nonobstructive azoospermia (NOA) or azoospermic Klinefelter syndrome (KFS), a total of …

Infertility is one of the major health-threatening problems in communities which may lead to
psychological problems among couples. Y chromosome abnormalities and microdeletions …