After treatment with r-hFSH, these patients with doubled sperm counts could donate sperm for intrauterine insemination, whereas previously they were candidates only for in vitro fertilization.

• 采用重组人卵滤泡刺激素治疗后，精子数量加倍的患者，射出的精子的浓度，可以达到宫内受孕的浓度，而在治疗前，他们只能进行体外受精。