Background Infertility affects about 15% of couples worldwide, and the male factor alone is
responsible for approximately 50% of the cases. Genetic factors have been found to play …

Abstract About 30–40% of male infertility is due to unknown reasons. Genetic contributions
to the disruption of spermatogenesis are suggested and amongst the genetic factors studied …

Background: Male factors account for nearly 50% of infertilities, among which genetic
defects constitute some of the major ones. Microdeletion of the long arm of Y chromosome …

Background To compare the frequency of Y-chromosome microdeletions in Japanese and
African azoospermic and oligozoospermic men and describe embryo characteristics and …

Introduction: Infertility affects about 15% of couples attempting pregnancy and in
approximately 50% of these cases, male factors are responsible. Male infertility is clinically …

Approximately 15% of couples in the reproductive age group worldwide are affected by
infertility, and it is estimated that about 40-50% of infertilities are of male origin. Genetic …

Y chromosome microdeletions are the second genetic cause of male infertility. The
incidence of Y chromosome microdeletions can vary considerably depending on several …

In human gamete development, the important period is spermatogenesis, which is
organized by specific genes on Y chromosome. In some cases, the infertile men have shown …

UNLABELLED: Identifying the genetic causes of male infertility is very important, considering
they account for 30-50% of reproductive problems among couples. Genetic abnormalities …

Background Male infertility is responsible for 50% of infertile couples. Thirty percent of male
infertility is due to cytogenetic and genetic abnormalities. In Arab and North African …