Objective The aim of this study was to examine, retrospectively, the efficacy of intracytoplasmic sperm injection (ICSI) in the treatment of male infertility and idiopathic infertility.

• 目的阶段性回顾应用卵母细胞单精子显微注射（ICSI）技术治疗严重男性因素及不明原因不育的临床效果。