Wei, Chun-Xiao
Zhang, Liang
Pang, Cong-Hui
Qi, Ying-Hua
Zhang, Jian-Wei
Article History
Received: 24 May 2022
Accepted: 9 February 2023
First Online: 2 March 2023
Declarations
:
: Informed consent was obtained from all subjects. This study was conducted following the Declaration of Helsinki. This retrospective study was registered with the Reproductive Ethics Committees of the Affiliated Hospital of Shandong University of TCM (ref approval no. SDTCM20210720) on July 21, 2021. The name of the IRB is the Reproductive Ethics Committees of the Affiliated Hospital of Shandong University of traditional Chinese medicine.
: Not Applicable.
: The authors declare no competing interests.