Acknowledgements
This work was supported by the Research Team of Female Reproductive Health and Fertility Preservation (SZSM201612065) , National Natural Science Foundation of China-Youth Foundation (No.81401169), Beijing Municipal Science & Technology Commission (No. Z191100006619086), National Key Research and Development Program of China (No. 2016YFC1000201) and The capital health research and development of special (No. 2018-1-4091). The study funders had no rule in the study design, implementation, analysis, manuscript, preparation, or decision to submit this article for publication.