Spermatogenesis is an essential stage in human male gamete development, which is
regulated by many Y chromosome specific genes. Most of these genes are centred in a …

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 …

Objective: In a half of all childless partnerships the infertility is caused by the male.
Chromosomal abnormalities are more prevalent in infertile men compared to fertile men …

Chromosomal aberrations have been postulated to be one of the principal genetic factors in
male infertility and occur in about 2 to 3% of unselected patients with proven sub-fertility …

Introduction: Infertility affects an estimated 15% of couples globally and in Iran, a quarter of
couples experiences primary infertility. Males are found to be individually responsible for 20 …

Complex chromosomal rearrangements (CCRs) are rare events involving more than two
chromosomes and over two breakpoints. They are usually associated with infertility or sub …

Robertsonian translocations/isochromosomes formed by homologous acrocentric
chromosomes are rare, and consequently their epidemiology has not been well …

Background: Chromosome abnormality (CA) including Sex chromosomes abnormality
(SCAs) is one of the most important causes of disordered sexual development and infertility …

The frequency of chromosomal abnormalities is supposed to be elevated in infertile males
as well as shown negative correlation of sperm concentration. Cytogenetic analysis …

Purpose: To estimate the frequency and types of both chromosomal abnormalities and
Azoospermia Factor (AZF) microdeletions among patients with non-obstructive azoospermia …