Affiliation: | 1. Centre of Reproductive Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China;2. Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, Shenzhen, China;3. Reproductive Medicine Centre, Children's Hospital of Shanxi Province, Shanxi, China;4. Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong ‐ Shenzhen Hospital, Shenzhen, China |