A Modified Flexible GnRH Antagonist Protocol Using Antagonist Early Cessation and a Gonadotropin Step-Down Approach Improves Live Birth Rates in Fresh Cycles: a Randomized Controlled Trial.
HUMAN REPRODUCTION（2024）
关键词
GnRH antagonist protocol,IVF,endometrial receptivity,live birth rate,progesterone elevation,single embryo transfer
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