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Abstract

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Purpose : Chromosomal abnormality is the major cause of male infertility. We
evaluated the usefulness of chromosome analysis for searching the etiology of male
infertility.
Materials and Methods : Karyotypes of 375 cases with male infertility except
postvasectomy infertility were analyzed. The comparison between sexchromosomal
abnormality and autosomal abnormality in various clinical parameters, serum hormonal
levels and sperm density was done.
Results : Of 375 cases, 57 cases(15.2%) of chromosomal abnormalities were found,
consisting of 42 cases(73.7%) of sex chromosomal abnormality(38 Klinefelter's syndrome
with mosaicism, 1 sex reverse syndrome, 1 true hermaphroditism, 1 Y chromosome
deletion, and 1 sex-chromosome translocation with autosome), 13 cases(22.8%) of
autosomal abnormality(7 translocation and 6 inversion) and 2 cases(3.5%) of normal
variant. Of various clinical parameters and serum hormonal levels, only testicular volume
and serum testosterone level revealed significant statistical difference between sex
chromosomal and autosomal abnormality.
Conclusions : We suggest that the chromosomal analysis should be the first line aid
in searching etiology of the male infertility.

Å°¿öµå

Karyotype; Male infertility;

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