1. Department of Gynecology, Shiyan Maternal and Child Health Hospital , No. 256, Linyin Avenue, Maojian District, Shiyan 442000, Hubei Province , PR China
2. Clinical Medicine Department of Xinjiang Medical University , No. 152 Longquan Street, Tianshan District, Urumqi 830000, Xinjiang Uygur Autonomous Region , PR China
3. Department of Medical Genetics and Prenatal Screening, Shiyan Maternal and Child Health Hospital , Shiyan 442000, Hubei province , PR China