Menstrual period is a condition that all adult women will experience. During the menstrual period, the female body is in a relatively special stage. There are many things that need attention at this time. The number of days in the menstrual period generally has a range. It is abnormal if the time is too long or too short. Next, we will introduce in detail the question of how many days of normal menstruation a girl has. Generally speaking, the physiological period refers to the menstrual period that mature women have every month. Generally, it takes about 3 to 7 days for girls. During this period, a certain amount of blood will be discharged from the girl's uterus through the vagina. This blood is very clean. During this period, you should be careful not to get too tired, not to eat raw or cold food, keep a good mood, and pay attention to staying clean. After ovulation, due to the combined effects of estrogen and progesterone, the endometrium becomes edematous, the glands produce a large amount of mucus and glycogen, and the thickness of the endometrium increases from 1 mm to 6 mm, which is called the secretory endometrium. If the egg released at this time is fertilized, the fertilized egg is transported to the uterus through the fallopian tube for development, which is called pregnancy. The pregnancy tissue synthesizes a chorionic gonadotropin, which supports the continued development of the corpus luteum of the ovary. If the egg is not fertilized, the corpus luteum will atrophy and stop secreting estrogen and progesterone about 14 days after ovulation. At this time, the blood vessels in the endometrium contract, the endometrium necrotizes and falls off, causing bleeding and forming menstruation. The length of the menstrual cycle depends on the length of the ovarian cycle, which is generally 28-30 days, but varies from person to person and may be 23-45 days, or even 3 months or half a year as a cycle. As long as it is regular, it is generally considered normal menstruation. The bleeding time is generally 2-7 days, and the total amount of bleeding for each menstruation is 30-50ml. Some people believe that a menstrual volume of more than 80ml is a pathological condition. The above content is an introduction to the general duration of a girl's menstruation. Many behaviors and even eating habits of women in daily life will have a certain impact on menstruation. Therefore, we usually say that you must take measures during the menstrual period, do not eat spicy, raw or cold foods, and have a regular sleep. |
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