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Authors
Ruan, Yanping
Xie, Zan
Liu, Xiaowei
He, Yihua
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Funding
Funding for this research was provided by:
National Key R&D Program of China (2018YFC1002300)
Yantai Science and Technology Innovation Development Project (2021YD018)
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Article History
Received: 17 March 2022
Accepted: 28 November 2022
First Online: 27 January 2023
Declarations
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: We solemnly make a statement that written informed consent were obtained from all subjects, and all participants were aware of the study purpose, risks and benefits. All participants provided written consent before participating in the study. The study was approved by the Ethics Committee of Beijing Anzhen Hospital, Capital Medical University, with the ethical Approval Number: 2022060X. We can confirm that all methods for the acquisition of fetal echocardiographic images was performed according to the guidelines and standards of the AHA [CitationRef removed] and the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) [CitationRef removed].
: Not applicable.
: All authors declare that they have no competing interests.
