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进行体外受精(IVF)时,需采用控制超排卵(COH)来获得更多的卵母细胞,但同时却降低了子宫的接受性,而成功的IVF需要高质量的孕卵与子宫内膜接受性的相互交流密切配合。尤其是人绒毛膜促性腺激素
IVF requires controlled oocyte overgrowth (COH) to obtain more oocytes, but at the same time reduces uterine receptivity, whereas successful IVF requires high quality ova and endometrial receptivity Sexual interaction closely with each other. Especially human chorionic gonadotropin