Abstract Objective: To study the ultrastructure of sperm tail of idiopathic asthenospermia, and research the mechanism of sperm movement obstacle of idiopathic asthenospermia.

• 摘要 目的 ：观察特发性弱精子症的精子尾超微结构病变，探讨特发性弱精子症精子运动障碍的机理。