Wu, Ling
Chen, Hua
Li, Da
Song, Di
Chen, Biaobang
Yan, Zheng
lyu, Qifeng
Wang, Lei
Kuang, Yanping
Li, Bin
Sang, Qing
Article History
Received: 24 October 2018
Revised: 21 December 2018
Accepted: 20 January 2019
First Online: 14 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethics committee of Ninth Hospital affiliated with Shanghai Jiao Tong University (No. 20161206; approved on 5 December 2016). All immature oocytes were donated by affected individuals after they had provided written informed consent, and the control MII oocytes used in this study were matured in vitro from GV or MI oocytes.