Dai, Kailing
Xu, Hongmei
Ouyang, Nengyong
Li, Ying
Yuan, Ping
Wang, Liangan
Zhao, Xiaomiao
Wang, Wenjun
Funding for this research was provided by:
Merck Serono China Research Fund for Fertility Experts; Guangdong Medical Science and Technology Research Fund (A2015143)
Guangdong Provincial Natural Science Foundation (2015A030313086)
Special Fund for Public Welfare Research and Capacity Building in Guangdong Province (2014A020213014)
Article History
Received: 18 May 2018
Accepted: 26 November 2018
First Online: 10 December 2018
Compliance with ethical standards
: The project was approved by the reproductive ethics committee of the Sun Yat-Sen Memorial Hospital and has been registered in the Chinese Clinical Trial Registry under registration number ChiCTR-OCC-14005259.
: The authors declare that they have no conflicts of interest.