Abstract: Objective To analyze the clinical characteristics of post-traumatic abortion and the relationship between trauma and abortion. Methods We collected and analyzed 23 cases of post-traumatic abortion encountered in the department of clinical forensic medicine,faculty of forensic medicine,China Medical University in recent years. Results All 23 post-traumatic abortions were early abortions. Their traumata were mild and external only. Vagina bleeding and abortion occurred shortly after trauma. Most patients were older,from countryside,or unemployed. Conclusion The causes of abortion are complex. Post-traumatic abortion can only be diagnosed after excluding non-traumatic factors. For those cases abortion occur shortly after injuries and non-traumatic factors can not be excluded,trauma should be assessed for its role in abortions as primary,secondary or induction factors correlated with clinical symptoms and presentations.

Key words: Trauma, Abortion, The relation of cause and effect, Clinical forensic medicine, Expertise