Guo, Siqi
Li, Wencong
Chen, Xiaoran
Liu, Meijuan
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (Grant No. ZR2021MH046)
Article History
Received: 17 March 2025
Accepted: 5 August 2025
First Online: 11 August 2025
Declarations
:
: Not applicable.
: The authors declare no competing interests.
: UC-MSCs and all animals studies have been approved by Ethics Committee of Yantai Yuhuangding Hospital (NO.2024-554), Date of approval: 2024.07.05 . And the title of the approved project is “ Mechanism Study on Continuous 3D-PDA Ultrasound Evaluation of Umbilical Cord Mesenchymal Stem Cells and Their Exosomes in Treating Thin Endometrium and Improving Embryo Transfer Outcome”. All animal experiments conform to the Animal Research: Reporting of In Vivo Experiments (ARRIVE) guidelines. This study did not involve human subjects.