[1] Shunde Women and Children’s Hospital,Department of Internal Medicine
[2] Maternity and Child Healthcare Hospital of Shunde Foshan,Key Laboratory of Research in Maternal and Child Medicine and Birth Defects
[3] Guangdong Medical University,Department of Ultrasound
[4] Guangdong Medical University,Department of Obstetric
[5] Maternal and Child Research Institute,Reproductive Medicine Center
[6] Shunde Women and Children’s Hospital,undefined
[7] Maternity and Child Healthcare Hospital of Shunde Foshan,undefined
[8] Guangdong Medical University,undefined
[9] Shunde Women and Children’s Hospital,undefined
[10] Maternity and Child Healthcare Hospital of Shunde Foshan,undefined
[11] Guangdong Medical University,undefined
[12] Shunde Women and Children’s Hospital,undefined
[13] Maternity and Child Healthcare Hospital of Shunde Foshan,undefined
[14] Guangdong Medical University,undefined
[15] Shunde Women and Children’s Hospital,undefined
[16] Maternity and Child Healthcare Hospital of Shunde Foshan,undefined
[17] Guangdong Medical University,undefined