女性阴道有自净作用,在卵巢分泌的雌激素作用下,阴道的上皮细胞增生,细胞内含有丰富的糖元,并在阴道杆菌的作用下分解为乳酸,以维持阴道内正常的弱酸性环境(pH值在4.2～5.0之间),使在碱性环境下才能繁殖的病原体受到抑制,一旦失去正常的弱酸性环境,就容易导致各种阴道炎。肥胖者易患糖尿病,而糖尿病女患者极容易合并霉菌性 Vaginal self-purification of the female role in the ovarian secretion of estrogen, the vaginal epithelial cells hyperplasia, the cells rich in glycogen, and the role of vaginal bacteria under the decomposition of lactic acid, in order to maintain normal intravaginal weak acidic environment ( pH between 4.2 to 5.0), so that in the alkaline environment to reproduce the pathogens inhibited, once the loss of the normal weak acidic environment, it is easy to cause a variety of vaginitis. Obesity is predisposed to diabetes, and women with diabetes are more likely to develop fungal infections