Yang, Qing
Zhou, Chen-Chen
Chen, Ying
Pei, Jin-Dan
Hua, Xiao-Lin
Yao, Li-Ping
Article History
Received: 8 November 2022
Accepted: 3 February 2023
First Online: 14 February 2023
Declarations
:
: The study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Institutional Review Board of Shanghai First Maternity and Infant Hospital (No. KS20186). All women provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.