Chen, Lin
Wang, Li
Yin, Daishu
Tang, Feng
Zeng, Yang
Zhu, Hongmei
Wang, Jing
Article History
Received: 14 October 2021
Accepted: 28 January 2022
First Online: 2 February 2022
Declarations
:
: The study was approved by the Medical Ethics Committee of West China Second University Hospital of Sichuan University (medical research 2016–7) and all experiments were performed in accordance with relevant guidelines and regulations. All pregnant women received genetic counseling and provided written informed consent as dictated by the Declaration of Helsinki.
: All pregnant women in this study agreed that their case data and test data were used for scientific research and public publication.
: The authors declare no competing interests.