• Prof.Dongzi Yang has been dedicating to the clinical practice, research and teaching in the fields of Reproductive medicine and Gynecological endocrinology since 1982. She graduated and obtained her M.D from Sun Yat-Sen University of Medical Sciences in 1982, then after granted her Ph.D. in 1990. She had advanced trainings and fellowships of reproductive medicine in Hong Kong University (1997) and Emory University (2000-2001). She is now vice-President of Chinese Reproductive Medicine Association of CMDA, Deputy- editor in chief of Chinese Journal of Obstetrics and Gynecology, Vice- Chairperson, Gynecological Endocrinology group of Gynecology and Obstetrics Society of Chinese Medical Association, Reviewer for numerous journals etc.