Reproductive Medicine Center of the First Affiliated Hospital of Sun Yat-sen University. Has a strong technical team, including 22 medical, technical and nursing personnel. Among them, there are 2 doctoral supervisors and 6 master supervisors; There are 8 senior titles and 9 intermediate titles; Doctoral students 1 1 person, 6 master students. Zhou Canquan, professor, graduate student and doctoral supervisor, studied in the Department of Medicine of Sun Yat-sen Medical College from 1978 to 1983, and graduated with a bachelor's degree. At the same time, I stayed in the obstetrics and gynecology department of our hospital and received systematic and strict clinical training.