身体健康的妇女,一般月经周期是有规律的。但有些妇女会发生各种月经不调的现象,例如月经过多或过少、闭经、不规则的子宫出血等,这是由多种因素引起的。月经是怎样产生的呢?月经产生主要是受大脑皮层、脑垂体(大脑下面的一个内分泌腺体)、卵巢影响和支配的,同时也受全身健康状况的影响,脑垂体分泌一种促性腺激素,它作用在卵巢,使卵巢产生雌激素和黄体素,而雌激素和黄体素又作用在子宫内膜。子宫内膜在以上激素的影响支配下, Healthy women, the general menstrual cycle is regular. However, some women experience various irregular menstruation, such as over or under menorrhagia, amenorrhea, and irregular uterine bleeding, which are caused by many factors. Menstruation is how to produce it? Menstruation is mainly affected by the cerebral cortex, the pituitary gland (an endocrine gland below the brain), ovarian influence and domination, but also affected by systemic health conditions, the pituitary gonadotropin secretion , It acts on the ovary, the ovaries produce estrogen and progesterone, and estrogen and progesterone act on the endometrium. Endometrium In the control of the above hormones,