Zhang, Qianwen
Xu, Yu
Gong, Yunhui
Liu, Xinghui
Funding for this research was provided by:
funding from the Sichuan Provincial Health Commission (Grant no 21PJ053)
Article History
Received: 27 January 2022
Accepted: 23 March 2022
First Online: 31 March 2022
Declarations
:
: The current study was reviewed and qualified as an exemption by the Institutional Review Board of West China Second Hospital of Sichuan University, Chengdu, China (number 2021067). Trial registration: 2021067. Registered June 1 2021. . All study participants provided an informed written consent included the records of hospital.
: Consent to publish clinical details of the mothers and babies included in the current study was obtained from the mothers.
: The authors declare that they have no competing interests.