Endocrine Abstracts

Context: Klinefelter Syndrome (KS) patients, defined by a 47 XXY karyotype, were long considered infertile. Testicular sperm extraction (TESE) now allows some of these patients to access fatherhood. The predictive factors for success, however, remain unknown.Patients and methods: Non-mosaic KS patients with azoospermia or severe cryptozoospermia on two semen analyses without any other spermatogenesis disorder were included. They were sorted into two age ...