1. Department of Obstetrics and Gynecology, Center for Reproductive Medicine, Guangdong Provincical Key Laboratory of Major Obstetric Diseases, Guangdong Provincical Clinical Research Center for Obstetrics and Gynecology, Guangdong-Hong Kong-Macao Greater Bay Area Higher Education Joint Laboratory of Maternal-Fetal Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, Guangdong, China
2. Guangdong Food and Drug Vocational College, Guangzhou, Guangdong, China
3. Guangzhou Medical University, Guangzhou 510000, Guangdong, China