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Associations between reproductive factors and frailty in middle-aged and older women: evidence from the China health and retirement longitudinal study

Crossref DOI link: https://doi.org/10.1186/s41043-025-01077-w

Published Online: 2025-10-27

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Xian, Xiaobing

Xiang, Jie

Cao, Shiwei

Tang, Wanting

Wu, Yao

Li, Jiaxia

Ren, Shiqin

Wang, Yuanyuan

Shen, Kun
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Text and Data Mining valid from 2025-10-27

Version of Record valid from 2025-10-27
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Article History

Received: 20 March 2025

Accepted: 29 August 2025

First Online: 27 October 2025

Declarations

:

: This survey adhered to rigorous ethical standards and received approval from the Institutional Review Board of Peking University (Approval No. IRB00001052-11015).

: Not applicable.

: The authors declare no competing interests.

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