Methods: Sperm was retrieved by percutaneous epididymal sperm aspiration (PESA) or testicular sperm extraction (TESE) and intracytoplasmic sperm injection (ICSI) was performed.

• 目的:回顾性分析50例无精子症患者利用附睾或睾丸精子行卵细胞胞质内单精子注射(ICSI)的治疗结局。