子宫内膜癌占女性恶性肿瘤7%,占生殖道恶性肿瘤20%~30%,近年来发病率在国内外不断升高,与此同时,作为子宫内膜癌癌前病变的子宫内膜非典型增生,发病率也有上升趋势~([1,2])。子宫内膜非典型增生及子宫内膜癌发病的确切病因不明。研究发现,对于一些年龄≥40岁、肥胖、糖尿病、有恶性肿瘤家族史、不孕等的高危因素的无症状人群中,其发病率明显升高,尤其当BMI≥25 kg/m~2,患病风险会直线 Endometrial cancer accounts for 7% of female malignant tumors, accounting for 20% to 30% of reproductive tract malignant tumors, the incidence in recent years, rising at home and abroad, at the same time, as the endometrial cancer precancerous endometrial SARS Hyperplasia, the incidence also has an upward trend ~ ([1,2]). Endometrial atypical hyperplasia and endometrial cancer incidence of the exact etiology is unknown. The study found that for some asymptomatic population of ≥40 years of age, obesity, diabetes, family history of malignancy, infertility and other high risk factors, the incidence was significantly increased, especially when the BMI ≥ 25 kg / m ~ 2, Risk will be straight