Liu Dongyun, female, born in April 1970, graduated from Chongqing Medical University with a master's degree. Her research area is female reproductive physiology. She started work at Chongqing Health Center for Women and Children (CQHCWC) in 1999 and is now a chief physician. She was once a member of the Chinese Society of Reproductive Medicine and the Chinese Society of Perinatal Medicine. She is now a member of the ethics group of the Chinese Society of Reproductive Medicine, a member of the standing committee of the genetic diagnosis and precision medicine branch of the China Healthy Birth Science Association, and a member of the reproductive medicine and reproductive ethics branch of the China Healthy Birth Science Association.

Medical diagnosis and treatment field and expertise: She is engaged in artificial assisted reproduction clinical medical work, genetic counseling, and prenatal diagnosis clinical and laboratory work. She is a leader in prenatal diagnosis technologies such as percutaneous umbilical cord blood sampling, genetic diagnosis of thalassemia, and more. Now, she is mainly responsible for genetic counseling, laboratory diagnostic techniques for prenatal diagnosis, and laboratory techniques and genetic counseling for genetic testing before embryo implantation.

Published works and other projects: She has presided over the analysis and countermeasures of infertility factors in Chongqing, which was an international cooperation project of the World Health Organization and the National Health Commission. She also oversaw and the application of single-nucleotide polymorphism analysis in prenatal diagnosis and genetic diagnosis before embryo implantation, which was a key scientific program of the Chongqing Municipal Health Commission (formerly the Chongqing Municipal Health and Family Planning Commission). She participated in scientific research topics such as the “application of micromanipulation techniques in artificial assisted reproductive medicine.” She has also published more than 30 articles and participated in three monographs.