1. Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
2. Department of Obstetrics and Gynecology, Shaoxing Maternal and Child Health Care Hospital, Shaoxing, China
3. Key Laboratory of Reproductive Genetics, Ministry of Education (Zhejiang University), Hangzhou, China
4. Hangzhou Women’s Hospital, Prenatal Diagnosis Center, Hangzhou, China
5. Department of Reproductive Medicine, Key Laboratory of Women’s Reproductive Health of Zhejiang Province, Hangzhou, China