Chen, Zhi-Yu
Li, Wen-Yan
Xu, Wen-Li
Gao, Yu-Yang
Liu, Zhen
Li, Qi
Yu, Bin
Dai, Li
Article History
Received: 28 December 2022
Accepted: 28 April 2023
First Online: 10 May 2023
Declarations
:
: The current study analysed de-identified secondary data from the CBDMN. The CBDMN program was approved by the Ethics Committee of West China Second University Hospital, Sichuan University. Also, the Ethics Committee of West China Second University Hospital, Sichuan University waived the need for informed consent since the study was based on anonymised routine project monitoring data with no identifiable information on mothers. All procedures were performed in accordance with relevant guidelines.
: Not applicable.
: The authors declare no competing interests.