Abstract: Study Objective:This article reviews the clinical manifestations and diagnosis and treatment of uterine scar pregnancy after cesarean section in recent years at home and abroad, with a view to providing a reference for gynecologists in the diagnosis and treatment of uterine scar pregnancy after cesarean section.Measurement: Search CNKI, Wanfang, Pubmed and other databases, and use literature tracing and other methods to collect publicly published relevant research on uterine scar pregnancy after cesarean section.Results: The main diagnostic methods are: ultrasound examination, MRI, hysteroscopy, laparoscopy, and histopathological examination are still the gold standard for the diagnosis of CSP. There are many ways to treat CSP. At present, level I evidence has not been proposed, so that there is no specific evidence-based guideline. The current treatment methods are: drug treatment, uterine artery embolization, surgical treatment or multiple treatments. Clinical treatment of CSP patients should clearly identify the type of disease and the advantages and disadvantages of various surgical procedures, combined with comprehensive analysis of the patient's condition, fertility requirements, economic conditions, hospital facilities and other indicators, and select a reasonable surgical method to minimize patient treatment. Risk, obtain a good prognosis and preserve fertility.Conclusion: For the early diagnosis of CSP method has been clear, but the best treatment plan and management guidelines at present has not yet reached a consensus that the uterus after cesarean section scar pregnancy diagnosis and treatment, there is no uniform standard, the most ideal treatment need large sample randomized controlled studies data.

Key words: Uterine scar pregnancy after cesarean section, Pathogenesis, type, treatment