Personal resume: Wang Lan, female, born in February 1978, graduated from the Department of Clinical Medicine of Chongqing Medical University with a bachelor's degree. She started working in July 2000, and is currently a deputy chief physician, the secretary of the Chongqing Obstetric Clinical Quality Control Center, a municipal teacher of advanced life support and midwifery technology in obstetrics, and a member of the Youth Committee of the Maternal and Child Health Branch of the Chinese Maternal and Child Health Association.

Medical treatment field and expertise: She has been engaged in perinatal clinical care for 16 years, and has rich clinical experience in twins, perinatal care and maternal and child blockage for infectious diseases during pregnancy.

Participation topics, published papers and monographs: She has hosted or participated in eight projects and published more than 10 papers. She has participated in the compilation of books such as Maternal and Child Health Care and Midwifery.