Background: Infertility was found to affect approximately 10%-15% of the couples,
worldwide. Male factors are responsible for at least 50% of the infertility cases. The …

Male infertility is caused by spermatogenetic failure, clinically noted as oligoor azoospermia.
Approximately 20% of infertile patients carry a genetic defect. The most frequent genetic …

Objectives: Chromosomal anomalies are common in infertile males with oligospermia or non-
obstructive azoospermia. The prevalence of chromosomal anomalies in subjects with male …

Background: Chromosomal abnormalities and Y chromosome microdeletions are regarded
as two most frequent genetic causes associated with failure of spermatogenesis in the …

OBJECTIVE: To determine the meiotic behavior of a ring Y chromosome in a semen sample
from a 45, X/46, X, r (Y)/46, X, dic r (Y) patient and the possible interchromosomal effects of …

Male infertility is the cause in half of all childless partnerships. Numerous factors contribute
to male infertility, including chromosomal aberrations and gene defects. Few data exist …

BACKGROUND: The possibility that oligozoospermic men may have elevated levels of
genetic damage in their sperm is of particular concern as they could transmit defects to their …

The most common type of karyotype abnormality detected in infertile subjects is represented
by Klinefelter's syndrome, and the most frequent non-chromosomal alteration is represented …

Aims: One of the most significant causes of infertility in men and women are chromosomal
abnormalities. There is a growing trend of postponing family planning so that couples want …

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 …