The Frequency of Chromosomal Abnormalities in Men With Azoospermia and Oligoasthenoteratozoospermia: a Preliminary Study

XXY in all 3 cases, and one autosomal chromosomal abnormality 46 XY, t (1;7) (P32;Q32). Although the sample size is small, the high frequency of chromosomal abnormalities detected in this preliminary study emphasizes the importance of chromosomal analysis in subfertile men. As prenatal diagnosis is indicated if an infertle man with an abnormal karyotype fathers a child, it is particularly important to know this fact before providing infertility treatment.