Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), University of British Columbia (UBC) - Department of Obstetrics and Gynecology, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Department of Pathology and Pathophysiology, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Maternity and Child Health Hospital of Songjiang District, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Shanghai Jiao Tong University (SJTU) - International Peace Maternity and Child Health Hospital, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Shanghai Jiao Tong University (SJTU) - International Peace Maternity and Child Health Hospital, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Shanghai Jiao Tong University (SJTU) - International Peace Maternity and Child Health Hospital, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), Université de Sherbrooke - Centre Hospitalier Universitaire de Sherbrooke, Zhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education), University of British Columbia (UBC) - Department of Obstetrics and Gynaecology, University of Cincinnati - Division of Human Genetics, Shanghai Jiao Tong University (SJTU) - International Peace Maternity and Child Health Hospital and Shanghai Jiao Tong University (SJTU) - International Peace Maternity and Child Health HospitalZhejiang University - Key Laboratory of Reproductive Genetics (Ministry of Education)