女性进入青春发育期后,卵巢逐渐发育,并分泌雌激素,阴道有分泌物流出,其色白,其状如带,故称之为白带。它是由阴道粘膜渗出物、宫颈腺体和子宫内膜的分泌物混合而成,内含有脱落的阴道上皮细胞,血管内逸出的白细胞及乳酸杆菌等。健康的女青年的白带常为白色稀糊状,无特殊气味,其量与雌激素分泌的量(在血内的浓度)有关,生殖器官的充血情况也影响着 Women into the puberty, the ovary gradually developing and secreting estrogen, vaginal secretions outflow, its color white, its shape such as belt, it is called leucorrhea. It is by the vaginal mucosa exudate, cervical gland and endometrial secretions mixed, which contains shedding of vaginal epithelial cells, leukocytes and blood vessels to escape, such as lactobacilli. Leucorrhea, healthy young women often white paste, no special smell, the amount of estrogen secretion and the amount of (in the blood concentration), genital congestion also affects