Zhang, Hui-Ping
Wu, Jing-Jing
Zhang, Wen-Ying
Tao, Jiu-Zhi
Ma, Cheng-Bin
Zhou, Yu-Qing
Funding for this research was provided by:
natural science foundation of Shanghai, China (19ZR1441500, 22ZR1458200)
key program of science and technology commission foundation of Changning district, Shanghai, China (CNKW2020Z04, CNKW2020Z04, CNKW2020Z04, CNKW2020Z04)
medical PhD innovative talent base project of Changning district, Shanghai, China (RCJD2021B09, RCJD2021B09, RCJD2021B09)
Article History
Received: 9 September 2022
Accepted: 5 May 2023
First Online: 22 May 2023
Declarations
:
: This study was approved by the Ethics Committee of Shanghai changning maternity and infant health hospital (CNFBLLKT-2020-023). All methods were performed in accordance with the relevant guidelines and regulations. Written informed consent was obtained from every patient before ultrasound examination.
: Not applicable.
: The authors declare that they have no competing interests.