implanation造句

the aim of this study was to examine ppar5 expression in rat and mouse uterus during early pregnancy, pseudopregnancy, delayed implanation, artificial decidualization and regulation by steroid hormone treatment by in situ hybridization and inununohistochemisny the expression of ppar gene in preimplanation embryo was also determined by rt-pcr
本实验以大鼠和小鼠为材料，利用原位杂交和免疫组化方法检测了ppar基因在早期妊娠子宫中的表达，并利用假孕、延迟着床、人工蜕膜化及激素处理等模型研究ppar基因在子宫中的表达与调节。
It's difficult to find implanation in a sentence. 用implanation造句挺难的