The womb body part is covered on a mucous membrane consisting of a gland epithelium and the stroma which it is formed by a firm muscular layer in a place letting a fetus grow up to delivery, and call itself an endometrium in the inside, and this mucous membrane is completely regulated by "estrogen (an ovarian follicle hormone)" and "progesterone (corpus luteum hormone)" which are female sex hormone secreted with the ovary, and it is decided, and you multiply it by estrogen secreted in a follicle after menstruation, and thickness increases, and the menstrual cycle of the woman waits for you stop an increase by progesterone secreted afterward by corpus luteum (a follicle after the ovulation) of the ovulation and show a secretion function and complete pregnancy preparations, and a fertilized egg arriving.
When the pregnancy did not happen, the corpus luteum disappears in the ovary, and secretion of the progesterone falls and becomes menstruation, and detachment completely falls off it.
While it is controlled in this way by a hormone, as for the endometrium, the onset of the endometrial cancer lowers because an increase is controlled by progesterone, and it is canceled regularly, but you approach it in the generation to fall in the menopause, and even if age is young, ovarian works are not enough, and, as for the person whom menstruation does not come to normally, ovulation tends not to occur periodically, and there become many periods when progesterone is not secreted, and the endometrium drives recklessly with there not being a thing stopping an estrogenic increase, and it is said to endometrial cancer in the future when a lesion, as a result, to be called an endometrium increase symptom of the precancerosis appears, and there is the influence of the carcinogenesis factor in ze more that you progress.
