Abstract: Objective To study the rules of forensic expertise on medical disputes in obstetrics and gynecology,and the characteristics of medical faults in order to provide theoretical supports for forensic expertise.Methods Eighty two cases of forensic expertise on medical disputes in obstetrics and gynecology were respectively analyzed,which were performed in Forensic Science Center of West China from 2002 to 2008.Results It has been found that cases of forensic expertise on medical disputes in obstetrics and gynecology were increasing year by year,with more dispute cases from municipal(district) and county hospitals than other hospitals.More disputes involved in childbearing and surgery cases.The main reasons of the medical faults were due to defects of medical techniques and managements.Conclusion The forensic expertise of medical dispute must focus on the corresponding clinical regulations and whether the doctor fulfill their obligations.Meanwhile,whether there are physician negligence,technique faults and management defects should be investigated.

Key words: expert testimony, malpractice, obstetrics and gynecology department, hospital