Objective To investigate the efficacy of intracytoplasmic sperm injection (ICSI) combined with percutaneous testicular sperm aspiration (PTSA)in the treatment of severe male infertility.

• 目的了解经皮睾丸精子抽吸术(PTSA)结合卵浆内单精子注射(ICSI)技术治疗严重男性因素不育的治疗效果。