宫腔内人工授精 (ＩＵＩ)是将精液经体外优化处理后 ,用人工方法将处理后的精子悬液注入女性子宫腔内以获得妊娠的助孕技术。我们自 1997年 5月至 1999年 9月对 6 7对不育夫妇开展ＩＵＩ临床治疗 ,通过回顾性分析发现 ,子宫内膜的形态及厚度是影响妊娠率的重要因素。1　资料与 Intrauterine insemination (IUI) is the sperm by in vitro optimization, the artificial method of the treated sperm suspension into the female uterine cavity to obtain pregnancy pregnancy technology. From May 1997 to September 1999, we carried out IUI clinical treatment on 67 male infertile couples. Through retrospective analysis, we found that the morphology and thickness of endometrium are important factors affecting the pregnancy rate. 1 information and