Metho ds: Etiology of 414 cases female primary infertility patients were statistical analyzed.
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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).
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.