After implanting ,on day 5, Ley remained in the luminal epithelium, on day 6 staining became weak at implantation site.

• 着床后，两者在第5和8天的整个间质均有表达，6一7天主要在临近肌层的未发生蜕膜化的间质细胞内表达，另外MMP一2在第5天腔上皮强表达，MMP一9在滋养细胞有较强表达。