当人胚泡穿透透明带之前,必需要有胚泡的充份扩张。透明带本身的弹性是能否实现胚泡扩张的前提。人工培养使人透明带弹性下降发生硬化,妨碍胚泡对透明带的穿透,使体外受精胚胎的着床率降低。化学钻孔、机械剥离和激光开窗等去除透明带的技术近来均已被采用,但可能对胚胎发育产生不利的影响。本文检查透明带部分剥离技术在辅助人原始胚胎穿透中的作用。 When human blastocysts penetrate the zona pellucida, it is necessary to have adequate expansion of blastocysts. The flexibility of the zona pellucida itself is a prerequisite for the blastocyst expansion. Artificial cultivation makes the transparency of the human skin elastic decline hardening, hinder the blastocyst penetration of the zona pellucida, in vitro fertilization embryo implantation rate decreased. Techniques for removing zona pellucida, such as chemical drilling, mechanical peeling, and laser windowing, have recently been adopted but may have an adverse effect on embryonic development. This article examines the role of partial stripping of the zona pellucida in assisting primary human embryo penetration.