Funding for this research was provided by:
Interdisciplinary Program of Shanghai Jiao Tong University (YG2017MS37, ZH2018QNB14)
Shanghai Municipal commission of science and technology program (19ZR1462300, 19411960900)
The national seicence foundation of China (81401219)
The municipal human resources development program for outstanding young talents in medical and health sciences in Shanghai (2018YQ39)
School of Medicine, Shanghai Jiao Tong University (YG2017MS39)
Received: 11 February 2020
Accepted: 16 October 2020
First Online: 16 November 2020
: This study was approved by the Ethnic Committee of International Peace Maternity and Child Health Hospital.
: Informed consent was obtained from the pregnant women.
: All the authors declare no conflict of interest.