Zhang, Li
Yang, Hong
Sun, Yong
Liu, Shasha
Article History
Received: 12 February 2025
Accepted: 13 May 2025
First Online: 28 May 2025
Declarations
:
: The study was approved by the Ethics Committee of Maternal and Child Health Hospital of Hubei Province (No. 2024-088-01). Informed consents from patients were waived by the Ethics Committee of Maternal and Child Health Hospital of Hubei Province due to the nature of the retrospective study. The study was conducted in accordance with the ethical standards of the Declaration of Helsinki and its later amendments.
: Not applicable.
: The authors declare no competing interests.