Genetics: Testicular sperm recovery in nine 47,XXY Klinefelter patients

Abstract excerpt

Klinefelter's syndrome is generally characterized by hypergonadotrophic hypogonadism and azoospermia. The clinical features, however, are variable, and occasionally severe oligozoospermia may be present. Usually in these cases a 46,XY/47,XXY mosaic karyotype is involved. However, focal spermatogenesis and severe oligozoospermia have been reported in 47,XXY individuals too. In the present study we investigated...

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