Affiliation: | 1. Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China;2. Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China |