Progress in research on relating factors of endometrial receptivity

With the assisted reproductive techniques (ART) widely being employed, how to improve overall pregnancy success rate by ART becomes one of the most important problems. Except the embryo quality, the endometrial receptivity alse plays a major role. Normal endometrium has a short-lived specific period in which the blastocyst is allowed to attach and invade. This period is called the window of implan…