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1.突破性点状出血的定义突破性出血系指连续服用激素中途由子宫内膜引起的出血而言,血量一般不多,多数为点状出血。2.突破性出血的原因正常月经周期时,除了经期以外,增殖期和分泌期一般不出血。这是由于卵巢分泌雌激素和孕酮作用的结果,但是必须注意这两类激素的分泌情况即月经开始后雌激素逐渐增多,排卵期暂时下降,黄体形成时又由黄体继续分泌更多的雌激素并同时开始分泌孕酮。雌激素的逐渐增多对于维持子宫内膜有重要作用。如果长期服用等量的雌激素,对于子宫内膜的维持上是不够充分的。因此在服药期间往往引起突破性出血。例如假妊娠疗法的长期等量口服雌激素就常常出现突破性出血。
1. Breakthrough punctate bleeding definition Breakthrough bleeding refers to the continuous taking of hormones by the endometrial bleeding, the blood volume is generally small, the majority of punctate bleeding. 2. The cause of breakthrough bleeding Normal menstrual cycle, except during menstruation, proliferative and secretory phase generally do not bleed. This is due to the ovarian secretion of estrogen and progesterone results, but we must pay attention to the secretion of these two types of hormones that menstrual estrogen gradually increased, the temporary decline in ovulation, the formation of corpus luteum by the body to continue to secrete more of the female Hormones also begin to secrete progesterone at the same time. Increasing estrogen has an important role in maintaining the endometrium. If you take the same amount of long-term estrogen, the maintenance of the endometrium is not sufficient. Therefore often during the medication caused by breakthrough bleeding. For example, pseudo-pregnancy therapy, oral estrogen is often equivalent to breakthrough bleeding.