子宫蜕膜细胞在妊娠时的作用已引起广泛的讨论。它们对于孕卵着床和妊娠的维持是必要的。蜕膜细胞体积大,含有大量糖元和脂质。常为双核和多倍体。蜕膜细胞来源于基质细胞,对胚胞有滋养或保护作用。同时可以合成特异蛋白。可能还有促黄体的功能,因在大鼠中蜕膜化常伴有孕酮水平增高,并可延长家兔黄体寿命。众所周知妊娠妇女蜕膜细胞可分泌催乳素。目前,这一发现已经扩大到许多种哺乳动物的子宫内膜似乎也有此种功能。从正常妊娠妇女子宫壁层和 The role of uterine decidual cells in pregnancy has aroused widespread discussion. They are necessary for the implantation of a pregnant egg and for the maintenance of pregnancy. Decidual cells are bulky and contain large amounts of glycogen and lipids. Often dual-core and polyploidy. Decidual cells from stromal cells, nourish or protect the embryo. At the same time can be synthesized specific protein. There may be luteal function, because in rats often associated with decidualization of progesterone levels increased, and can extend the luteal life of rabbits. It is well known that decidual cells in pregnant women can secrete prolactin. At present, this finding has been extended to many mammalian endometrial seems to have this function. Women from normal uterine parietal layers and