For IVF-ET, embryo quality and the receptivity of endometrium are the most important aspects that affect embryo implantation.

• 体外受精-胚胎移植时,胚胎质量及子宫内膜容受性是影响胚胎着床的两个关键因素,改善胚胎质量和增加子宫容受性有助于胚胎着床。