1 Hubei Provinical Clinical Research Center for Accurate Fetus Malformation Diagnosis, Department of Gynaecology and Obstetrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China.
2 Hubei Provinical Clinical Research Center for Accurate Fetus Malformation Diagnosis, Department of Ultrasound, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China. Electronic address: [email protected].
3 Hubei Provinical Clinical Research Center for Accurate Fetus Malformation Diagnosis, Department of Gynaecology and Obstetrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China. Electronic address: [email protected].