An Observational Study Based on Endometrial Cancer Risk Screening Model

Inclusion Criteria: 1. Age: 18-70; 2. The annual update of questionnaire information required by the calculator can be completed, and the gynecological examination, gynecological B-ultrasound and blood test can be evaluated once a year, and the follow-up can be at least 1 year; The patient or family members can understand the research scheme and are willing to participate in the study, and provide e-book informed consent. Exclusion Criteria: 1. Endometrial cancer or precancerous lesions have been diagnosed; 2. Previous or current malignant tumor, currently receiving radiotherapy and chemotherapy, endocrine, targeted and immunotherapy; 3. History of endometrial resection or total hysterectomy; 4. Pregnant or lactating women; 5. The patient or family member could not understand the conditions and objectives of this study.