1. Methods: The clinical data of 20 cornual cyesis patients were analyzed in symptom, pathology and treatment.

2. Conclusion The cornual cyesis was a special type disease that the diagnosis should be pay attention to prevent complication.

3. Mifepristone group 15 chorial and decidual superscript from women that are performed artificial abortion after taking Mifepristone two days voluntary , their cyesis period is all 50 to 60 days.

4. Objective To discuss the clinical characteristics and treatment principle of cornual cyesis .

5. Methods: The management process of 3 cases of the womb cicatricial cyesis after cesarean delivery was retrospectively analyzed in our hospital in last year.