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目的：探讨体外受精－胚胎移植（ＩＶＦ－ＥＴ）超排过程中子宫内膜监测对选择ＨＣＧ用药时机及预测妊娠结局的价值。方法：使用阴道超声监测体外受精－胚胎移植超排卵过程中３２例不孕患者子宫内膜厚度及特征变化。结果：妊娠组与未妊娠组子宫内膜厚度比较差异有显著性意义（Ｐ＜０００５），妊娠组取卵日子宫内膜厚度均＞１１ｍｍ。两组子宫内膜特征分布无明显差异。结论：阴道超声监测子宫内膜厚度对预测胚胎种植内环境及妊娠预后具有一定的价值。
Objective: To investigate the value of endometrial monitoring during the process of superovulation-IVF-ET (IVF-ET) on the timing of selecting HCG and the prediction of pregnancy outcome. Methods: The changes of endometrial thickness and characteristics of 32 infertile women during in vitro fertilization-embryo transfer were monitored by vaginal ultrasound. Results: There was significant difference in the thickness of endometrium between pregnancy group and non-pregnancy group (P <0005). The thickness of endometrium in pregnancy group was> 11mm. No significant difference in the distribution of endometrial characteristics between the two groups. Conclusion: Vaginal ultrasound monitoring of endometrial thickness has some value in predicting the internal environment of embryo implantation and pregnancy prognosis.