label: Y-Linked Spermatogenic Failure-2
label_lc: y-linked spermatogenic failure-2
description: "A Y-linked genetic condition caused by mutation(s) in the USP9Y gene, encoding probable ubiquitin carboxyl-terminal hydrolase FAF-Y.  It is associated with male infertility secondary to nonobstructive azoospermia and hypospermatogenesis."