基金
This study was supported by Natural Science Foundation of Hubei Province of China （No. 2014CFB251）, Hubei Province＇s Out- standing Medical Academic Leader Program （No. WJ2015MA024）, Hubei Province Health and Family Planning Scientific Research Project （No. JX6B105）, Special Fund for Clinical Research of Chinese Medical Association -- A Research and Development Project of Reproductive Medicine for Young Physician （No. 17020130682）, Traditional Chinese Medicine and Western Medicine Combined Research Program of Health and Family Planning Commission of Hubei Province, Xiangyang City＇s High Level Medical Talents Support Program, and Medical Academic Program of Hubei University of Arts and Science （No. 2017YXJJ02）.
