老年性阴道炎(萎缩性阴道炎)是老年妇女常见病之一,国内报道绝经妇女中其发病率为26.3%～31%,与国外报道的30%相近。此病常见于自然绝经后,也可发生在双侧卵巢切除后、照射去势后,或哺乳期过长的妇女.常与老年性外阴炎同时存在.有时伴尿频或尿痛、尿失禁等排尿功能障碍.育龄期妇女的女性激素主要来源于卵巢,雌二醇(E_2)是育龄妇女血内的主要雌激素.我国妇女E_2水平在卵泡期为306pmol/L(82.74pg/ml),更年期为173pmol/L(46.07pg/ml),绝经10年以上者为64pmol/L(17.30pg/ml)。绝经或去势后妇女血浆中雌酮(E_1)主要来源于肾上腺皮质产生的雄烯二酮,在外周组织中如脂肪、肌肉、肝、肾、脑和肾上腺内转化 Senile Vaginitis (atrophic vaginitis) is one of the common diseases in elderly women, the incidence of menopausal women reported in the country was 26.3% ~ 31%, similar to 30% of foreign reports. This disease is common in natural postmenopausal women, but also occurs after bilateral ovariectomy, irradiation castration, or breast-feeding period is too long. Often with senile vulvitis concurrently sometimes with frequent urination or dysuria, urinary incontinence, etc. Urinary dysfunction.Female hormone of women of childbearing age mainly comes from the ovary, estradiol (E_2) is the main estrogen in the blood of women of childbearing age.The level of E_2 in our country is 306 pmol / L (82.74pg / ml) in follicular phase, menopause Was 173 pmol / L (46.07 pg / ml) and 64 pmol / L (17.30 pg / ml) for menopause over 10 years. Estrogen (E_1) in the plasma of postmenopausal or postmenopausal women is mainly derived from androstenedione produced by the adrenal cortex and is transformed in peripheral tissues such as fat, muscle, liver, kidney, brain and adrenal