1. Department of Maternal, Child and Adolescent Health, School of Public Health Anhui Medical University Hefei Anhui People's Republic of China
2. Hefei City Maternal and Child Health & Family Planning Service Center Hefei People's Republic of China
3. Key Laboratory of Population Health Across Life Cycle (Anhui Medical University) Ministry of Education of the People's Republic of China Hefei Anhui People's Republic of China
4. NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract Hefei Anhui People's Republic of China