方法 ：对罗湖医院诊治的 414例女性原发性不孕症患者的临床资料进行分析。
Metho ds: Etiology of 414 cases female primary infertility patients were statistical analyzed.
目的：探讨对不明原因原发性不孕患者行宫腔内人工授精(IUI)失败后治疗方法的合理选择。
Objective: To determine an optimal insemination technique for unexplained infertility patients undergoing IVF or ICSI following failed intrauterine insemination (IUI).
原发性不孕症患者输卵管功能轻度受损20.3%，重度受损11.9%；继发性不孕症患者输卵管功能轻度受损14.9%，重度受损17.9%。
Besides, the mild and severe functional abnormality of fallopian tube in patients of primary and secondary infertility were 20.3% and 11.9% versus 14.9% and 17.9% respectively.
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