Funding for this research was provided by:
National Key Research and Developmental Program of China (2018YFC1004800, 2018YFC1004802)
National Natural Science Foundation of China (81971334, 81701397)
Shanghai Municipal Council for Science and Technology (18410721200, 20ZR1463200, 20JC1412100)
Opening Fund of Key Laboratory of the Diagnosis and Treatment Research of Reproductive Disorders of Zhejiang Province (NO.2018001)
Article History
Received: 23 December 2020
Accepted: 1 March 2021
First Online: 24 March 2021
Declarations
:
: This study was approved by the Institutional Ethics Committee of the International Peace Maternity and Child Health Hospital (Shanghai, China), and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.