During the menstrual period, a normal girl will have a large amount of menstrual flow in the first few days, and the amount of menstrual flow will gradually decrease in the last few days. Such symptoms are understandable, but some girls report that the amount of menstrual flow is relatively small in the first few days of their menstrual period. In this case, how should we replenish our bodies? Menstruation, also known as the menstrual cycle, is a physiological cycle that occurs in some fertile female humans and other hominins. Other mammals go through estrous cycles. In women of childbearing age and female primates, the endometrium undergoes a period of autonomous thickening, vascular proliferation, glandular growth and secretion, and endometrial collapse and shedding every month or so. Menstruation is accompanied by cyclical changes in bleeding. This periodic vaginal discharge or uterine bleeding is called menstruation. The uterus bleeds once a month, which is called menstruation. The ovaries have the functions of laying eggs, releasing ovulation and producing hormones. The hormones secreted by the ovaries are mainly estrogen, progesterone and androgen. Among them, estrogen is very important for maintaining the cyclical development and function of sexual organs, secondary sexual characteristics and ovaries. Progesterone mainly acts on the uterus to ensure the progress of pregnancy. Androgens increase sexual desire and are also involved in the regulation of follicle growth and egg maturation. When a woman reaches puberty, the follicles mature and, with the help of luteinizing hormone, the follicles secrete estrogen and stimulate the endometrium to undergo proliferative changes. The amount of estrogen gradually increases, causing the endometrium to thicken, the glands to increase in number and lengthen, becoming curved, and the blood vessels to become spiral, which is called the proliferative endometrium. This is approximately day 11 to 14 of the full-term menstrual cycle. At this time, estrogen reaches its peak, and a large amount of estrogen acts on the hypothalamus, causing the pituitary gland to release a large amount of luteinizing hormone, thereby promoting ovulation of mature follicles. After ovulation, the ruptured ovum forms a corpus luteum. The corpus luteum secretes progesterone, which, together with estrogen, causes the endometrium to enter the secretory phase. If fertilization is not achieved at this time, the corpus luteum will atrophy, the secretion of progesterone and estrogen will decrease, the endometrium will not receive support from sex hormones, and will undergo necrosis and shedding, leading to menstruation. This is why the uterus produces menstruation. Menstruation, also known as the menstrual cycle, is a physiological cycle that occurs in some fertile female humans and other hominins. Other mammals go through estrous cycles. In women of childbearing age and female primates, the endometrium undergoes cyclical changes every month or so, with autonomous thickening, blood vessel proliferation, glandular growth and secretion, and endometrial collapse and shedding accompanied by bleeding. This periodic vaginal discharge or uterine bleeding is called menstruation. The uterus bleeds once a month, which is called menstruation. The ovaries have the functions of laying eggs, releasing ovulation and producing hormones. The hormones secreted by the ovaries are mainly estrogen, progesterone and androgen. Among them, estrogen is very important for maintaining the cyclical development and function of sexual organs, secondary sexual characteristics and ovaries. Progesterone mainly acts on the uterus to ensure the progress of pregnancy. Androgens increase sexual desire and are also involved in the regulation of follicle growth and egg maturation. When a woman reaches puberty, the follicles mature and, with the help of luteinizing hormone, the follicles secrete estrogen and stimulate the endometrium to undergo proliferative changes. The amount of estrogen gradually increases, causing the endometrium to thicken, the glands to increase in number and lengthen, becoming curved, and the blood vessels to become spiral, which is called the proliferative endometrium. This is approximately day 11 to 14 of the full-term menstrual cycle. At this time, estrogen reaches its peak, and a large amount of estrogen acts on the hypothalamus, causing the pituitary gland to release a large amount of luteinizing hormone, thereby promoting ovulation of mature follicles. After ovulation, the ruptured ovum forms a corpus luteum. The corpus luteum secretes progesterone, which, together with estrogen, causes the endometrium to enter the secretory phase. If fertilization is not achieved at this time, the corpus luteum will atrophy, the secretion of progesterone and estrogen will decrease, the endometrium will not receive support from sex hormones, and will undergo necrosis and shedding, leading to menstruation. This is why the uterus produces menstruation. The amount of menstrual flow and which day has more menstrual flow can reflect our physical health. Therefore, we must pay attention to our physical condition during menstruation. Only in this way can we know our physical health status at any time. |
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