Dr. ZHANG Yongmei graduated from Zhejiang University School of Medicine in 2011, and joined the Department of obstetrics and Gynecology in August the same year. She is mainly engaged in clinical practice of reproductive medicine, and has rich clinical experience in reproductive endocrine regulation, infertility and assisted reproductive technology. She focuses on the clinical diagnosis and treatment of female infertility, diminished ovarian reserve, polycystic ovary syndrome, endometriosis, recurrent miscarriage, recurrent implantation failure and other reproductive endocrine diseases, as well as the clinical core operations of assisted reproduction such as follicular ultrasound monitoring, individualized controlled ovarian hyperstimulation, artificial insemination, and oocyte retrieval. She has participated in many medical research projects and published several professional papers.