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

Defined infertility as incapability of a married couple to have children for the one-year of
unprotected intercourse. Y chromosomal microdeletions are the second greatest common …

Purposes To investigate the frequency and type of both chromosomal abnormalities and Y
chromosome microdeletions and analyze their association with defective spermatogenesis …

Background & objectives: Genetic factors contribute about 10 per cent of male infertility.
Among these, genes in azoospermia factor (AZF) region including AZFa, AZFb, AZFc and …

Infertility is an important health issue affecting numerous couples. Approximately 30-50% of
the cases of male infertility is due to unknown reasons. The main genetic factors involved in …

Background Infertility has been a critical clinical problem, which affects 8–12% of couples
worldwide. Failure of reproductive system might be result of both genetic and environmental …

The present study investigated the frequency of chromosome aberrations and AZF
microdeletions in infertile patients with nonobstructive azoospermia (NOA) or severe …

Background: Infertility is a health problem which affects about 10-20% of married couples.
Male factor infertility is involved approximately 50% of infertile couples. Most of male …

Objectives To investigate azoospermic factor (AZF) microdeletions in infertile men from
northeastern China with karyotypic Y chromosome abnormalities. Methods G-banding of …

OBJECTIVE: To evaluate the frequency of complete and partial AZFa Y-chromosome
microdeletions among infertile Israeli men. To review the published frequencies and …