Dysfunctional uterine bleeding (DUB Definition Irregular bleeding,unrelated to anatomic lesions of the uterus,exclusion of pathologic causes of abnormal bleeding,is referred to as dysfunctional uterine bleeding. >Disturbance of endocrine >Most common at the reproductive age >Review the normal menstruation
Dysfunctional uterine bleeding ( DUB ) ➢ Definition Irregular bleeding, unrelated to anatomic lesions of the uterus, exclusion of pathologic causes of abnormal bleeding, is referred to as dysfunctional uterine bleeding. ➢ Disturbance of endocrine ➢ Most common at the reproductive age ➢ Review the normal menstruation
大脑皮层 下丘脑 下丘脑 垂体 GnRll 垂体 山 s 雌澈素 孕湿素 卵巢 卵巢 子宫内膜 子宫
>Pathogenesis Dysfunction of hypothalamic-pituitary- ovarian axis -continued estrogenic stimulation of endometrium-outgrow its blood supply→partially breaks down→ sloughed in an irregular manner
➢ Pathogenesis Dysfunction of hypothalamic-pituitaryovarian axis continued estrogenic stimulation of endometrium outgrow its blood supply partially breaks down sloughed in an irregular manner
下丘脑 垂体 然谢障调 无排卵 卵 巢 卵泡发育不良 黄体不健全 子宫内膜。不规则出血
Classification Anoyulatory:85% GOvulatory:15% >Incidence Incidence Classification 100嘴 85米 20% 口绝经前期 口无排卵性 ☐育龄期 50% 功血 口青春期 158% 口排卵性功 血 0%
➢ Classification Anovulatory: 85% Ovulatory: 15% ➢ Incidence Incidence Classification