功能性子宫出血,是由下丘脑-垂体-卵巢轴内分泌功能失调所致,临床表现为月经周期、经期、经量紊乱。可发生于各个年龄段,根据年龄段可分为青春期功血、育龄期功血及围绝经期功血,根据生理特性,青春期功血、围绝经期功血多为无排卵型,育龄期多为黄体功能异常型。 Functional uterine bleeding, by the hypothalamus - pituitary - ovarian axis caused by endocrine dysfunction, the clinical manifestations of the menstrual cycle, menstruation, by the amount of disorder. Can occur in all age groups, according to the age group can be divided into adolescent dysfunctional uterine bleeding, genital blood and perimenopausal dysfunctional uterine bleeding, according to physiological characteristics, adolescent dysfunctional uterine bleeding, perimenopausal dysfunctional uterine bleeding, Luteal function abnormal type.