1. Department of Obstetrics and Gynecology, Taizhou Hospital of Zhejiang Province, Zhejiang University, Taizhou, Zhejiang, China
2. School of Medicine, Zhejiang University, Hangzhou, China
3. Center for Reproductive Medicine and Obstetrics and Gynecology, Drum Tower Clinic Medical College of Nanjing Medical University, Nanjing, China
4. Department of Obstetrics and Gynecology, Taizhou Hospital of Zhejiang Province Affiliate to Wenzhou Medical University, Taizhou, Zhejiang, China
5. Department of Obstetrics and Gynecology, Taizhou Maternal and Child Health Hospital, Taizhou, Zhejiang, China
6. Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang, China
7. Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
8. School of Medicine, ShaoXing University, Shaoxing, Zhejiang, China
9. Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China