Direct chromosomal analysis of human spermatozoa: preliminary results from 18 normal men
- PMID: 7081223
- PMCID: PMC1685332
Direct chromosomal analysis of human spermatozoa: preliminary results from 18 normal men
Abstract
Chromosomal analysis of 240 spermatozoa from 18 normal men was performed using in vitro fertilization of zona-free golden hamster eggs. The frequency of chromosome abnormalities in this population was 9.2% (22/240). Of the abnormal complements, 18 were aneuploid (13 hyperploid and five hypoploid) and four had a chromosome break. The sex ratio of Y-bearing to X-bearing sperm was .68. The frequency and type of sperm chromosome abnormalities is compared with those seen in spontaneous abortions.
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