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Detection of aneuploidy rate for chromosomes X, Y and 8 by fluorescence in-situ hybridization in spermatozoa from patients with severe non-obstructive oligozoospermia


Detection of aneuploidy rate for chromosomes X, Y and 8 by fluorescence in-situ hybridization in spermatozoa from patients with severe non-obstructive oligozoospermia



Journal of Assisted Reproduction and Genetics 28(10): 971-977



ISSN/ISBN: 1058-0468

PMID: 21853383

DOI: 10.1007/s10815-011-9621-x

To evaluate the frequency of sperm nuclei disomy for chromosomes 8, X, and Y in patients with severe non-obstructive oligozoospermia and to assess possible correlations between sperm nuclei aneuploidy and semen parameters or a particular clinical phenotype. The sperm aneuploidy rate for chromosomes X, Y, and 8 were assessed in 16 infertile men with severe non-obstructive oligozoospermia and 7 healthy men with normal semen parameters. The frequency of sperm aneuploidy was compared between several patients groups according to their clinical and biological factors. The total rate of chromosomally abnormal spermatozoa was significantly higher in patients with severe oligozoospermia compared to control group (P < 0.001). A significant relationship was found between the age of patients, sperm concentration, and morphology and the mean rate of sex chromosomes disomy. In addition to the low sperm count (<5 × 10(6)/ml), an elevated FSH level and an exposed to an elevated temperature are two major predictive factors leading to the production of higher numbers of chromosomally abnormal gametes. Patients with severe oligozoospermia, who are potential candidates for assisted reproduction technology, presented a high level of sex numerical chromosome abnormalities, and consequently are at high risk of chromosome abnormalities in their offspring.

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Accession: 036185581

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