The invasiveness of trophoblast derived from first trimester pregnancy can be inhibited by decidual cell conditioned media (DCM),while the mechanism is not very clear.

• 先前研究表明，蜕膜细胞条件培养液(decidual cell conditioned media，DCM)能够阻止早孕滋养细胞的侵入，然而其具体机制尚未阐明。