许多因素影响体外受精-胚胎移植(IVF-ET)结局,重要因素在于胚胎质量和子宫内膜容受性。子宫内膜容受性的评价指标有很多。简便、可重复、无创伤的经阴道超声为评估子宫内膜容受性提供可能,目前比较公认的观点是子宫内膜厚度<8 mm时,子宫内膜容受性明显下降,且不存在子宫内膜厚度上限值,子宫内膜容积<2.0~2.5 ml阴性预测价值较强,子宫内膜血流灌注可在一定程度上预测子宫内膜容受性,但现有的研究结果尚不能得到一个合适的评价标准,有待于不断地探索总结。 Many factors affect the outcome of IVF-ET, an important factor being the quality of the embryo and endometrial receptivity. Endometrial receptivity evaluation index there are many. Simple, repeatable, and atraumatic transvaginal ultrasound provides the potential for assessment of endometrial receptivity. It is now generally acknowledged that endometrial receptivity is significantly reduced when endometrial thickness is <8 mm, and there is no uterine Endometrial thickness of the upper limit, endometrial volume <2.0 ~ 2.5 ml negative predictive value of the strong endometrial blood perfusion can predict endometrial receptivity, but the results of the existing research is not yet available A suitable evaluation criteria, to be constantly explored.