[1] West China Second University Hospital,Department of Obstetrics&Gynecology
[2] Sichuan University,Laboratory of Genetics, West China Institute of Women and Children's Health
[3] West China Second University Hospital,Center of Prenatal Diagnosis of Sichuan Province
[4] Sichuan University,Laboratory of Cell and Gene Therapy, West China Institute of Women and Children's Health
[5] Key Laboratory of Obstetric&Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education,Department of Medical Epidemiology and Biostatistics
[6] West China Second University Hospital,undefined
[7] Sichuan University,undefined
[8] West China Second University Hospital,undefined
[9] Sichuan University,undefined
[10] Karolinska Institutet,undefined