BACKGROUND: Sperm donors represent an appropriate population for evaluating the
frequency of chromosomal abnormalities in phenotypically normal and fertile adult males …

BACKGROUND Cytogenetic abnormalities have been known to be important causes of
male infertility for decades. METHODS Research publications from 1978 to 2008, from …

Infertility–the inability to achieve conception or sustain a pregnancy through to live birth–is
very common and affects about 15% of couples. While chromosomal or genetic …

In order to assess the significance of chromosome abnormalities and polymorphic
chromosomal variants in male infertility, the results of cytogenetic studies of 90 patients (32 …

Human reproductive wastage is known to be a common event. One major cause of
embryonic and fetal losses is chromosomal aberrations, identified by karyotyping …

Background: The largest cytogenetic survey involving infertile men was undertaken to clarify
whether chromosomal abnormalities, including autosomal abnormalities, affect semen …

We evaluated the frequency of congenital chromosomal aberrations in a sample of 305
couples included in an intracytoplasmic sperm injection (ICSI) programme. Twenty …

Application of fluorescence in situ hybridization (FISH) analysis has opened the way for
comprehensive studies on numerical chromosome abnormalities in human sperm. During …

BACKGROUND Abnormal semen parameters in chromosomally normal men are an
indicator of an increased risk of sperm aneuploidy. Male carriers of chromosomal …

STUDY QUESTION Is there a relationship between karyotype abnormalities in fetuses and
children conceived by ICSI and their father's semen parameters? SUMMARY ANSWER The …