Chen, Zhi-Yu
Tao, Jing
Xu, Wen-Li
Gao, Yu-Yang
Li, Wen-Yan
Liu, Zhen
Zhou, Jia-Yuan
Article History
Received: 8 June 2023
Accepted: 12 October 2023
First Online: 9 December 2023
Declarations
:
: The current study analyzed de-identified secondary data from the Chinese Birth Defects Monitoring Network. Ethical approval was not necessary since the study was based on anonymized routine project monitoring data with no identifiable information on mothers. Permission was obtained from the National Health Commission of China to use the data for this analysis. All procedures were performed in accordance with relevant guidelines.
: No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. The authors have no conflict of interest to declare.