Extensive interactions exist between the modulators and the expression and distribution of the modulators change spatially and temporally along the progressing of blastocyst implantation.

• 在整个胚胎植入过程中，这些调节因素的表达、合成与分布状态沿着一定的空间和时间顺序发生变化，而且它们之间存在着广泛的联系。