Success Rate of Microsurgical Multiple Testicular Sperm Extraction and Sperm Presence in the Ejaculate in Korean Men With Y Chromosome Microdeletions

Abstract

Deletions of the AZFa and AZFb regions are associated with severe spermatogenetic impairment. However, more than half of men with an AZFc deletion had sperm within the ejaculate or testis for in vitro fertilization with intracytoplasmic sperm injection.