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Authors
Nian, Songwen
Wei, Yumei
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Funding
Funding for this research was provided by:
National Key Research and Development Program of China (2025YFC2708303)
The Beijing High-Level Innovation and Entrepreneurship Talent Support Program-Healthcare Platform talent projects/young backbone (G202522093)
National High Level Hospital Clinical Research Funding (25cz020301-4803102)
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Article History
Received: 28 October 2025
Accepted: 6 February 2026
First Online: 23 February 2026
Declarations
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: This study was performed in accordance with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Peking University First Hospital in China (No. 2013 − 572). Given the retrospective nature of this study, informed consent was not needed from the women included in the analysis.
: Not applicable.
: The authors declare no competing interests.
