1 Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74 Linjiang Road, 400010, Chongqing, China.
2 Department of Obstetrics and Gynaecology, Jinjiang Maternity Hospital, No. 22 Huangshan Road, Deyang, Sichuan Province, China.
3 The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital of Chongqing Medical University, No. 74 Linjiang Road, 400010, Chongqing, China. dr.hefan@cqmu.edu.cn.
4 Joint International Research Lab for Reproduction and Development, Ministry of Education of the People's Republic of China, Chongqing, China. dr.hefan@cqmu.edu.cn.
5 Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing, China. dr.hefan@cqmu.edu.cn.
6 The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital of Chongqing Medical University, No. 74 Linjiang Road, 400010, Chongqing, China. cqhulina@hospital.cqmu.edu.cn.
7 Joint International Research Lab for Reproduction and Development, Ministry of Education of the People's Republic of China, Chongqing, China. cqhulina@hospital.cqmu.edu.cn.
8 Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing, China. cqhulina@hospital.cqmu.edu.cn.