Chenyang Zhao,1,2,* Fangjun Chen,3,* Qiong Li,1,2 Lixiu Peng,1 Chaoyan Yue4 1Department of Obstetrics and Gynecology, The First People’s Hospital of Chenzhou, Chenzhou, People’s Republic of China; 2Department of Obstetrics and Gynecology, Jinan University, Guangzhou, People’s Republic of China; 3Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, People’s Republic of China; 4Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of...