How to determine the normal menstrual

Menstruation is normal, generally from the following observation. First, the menstrual cycle. General woman's menstrual cycle is 28-30 days, but was also to a period of 30 days, it was even 40 to a menstruation. As long as there are laws, which the first phase of the menstrual cycle generally The same, are the norm. In addition, menstrual easily affected by many factors, so early after 3-5 days or wrong, is a normal phenomenon. If the menstrual cycle is 20 days, the next 40 days, the number of days between many, and often has this to the situation, and some even to 1-2 days menstruation, had more than 10 days again 1-2 days lost cyclical, which is not normal, called Irregular Menstruation. It should be noted that girls menarche, just because of ovarian development, function is not perfect, and will therefore appear dysfunction, not law, this is not pathological phenomenon, not fear and担扰, had a 2002 ovarian maturation, menstruation on destiny to normal. Second, the menstrual period (also called line menstrual). Woman's menstruation is about 3-5 days of the 2-eight days not uncommon. General via the blood of the first few days, the second, and three days more, then gradually reduced until the blood clean up. This is because the first day of endometrial shedding has just begun, and the second three days endometrial shedding increased, the amount of bleeding also increased, by stimulating uterine strengthen contraction, a large amount of blood from the drive. Some people clean the blood after 12 days have come a little blood back to that, this was not a disease but a normal phenomenon. However, some women's menstrual as long as 10 days or even 20 days, the hill not menstruation; some menstrual very short, only a flash that is over. These two phenomena are not normal. Third, the amount of blood. Menstrual number of women varies from person to person, individual and very different, generally 20-100 ml, and an average of 50 or so. 3-5 times a day for the general sanitary napkins or menstrual paper, even if it is normal. If the blood too much, for a sanitary napkins or paper as soon also soaked, and even blood-thigh downward mobility, which is not normal. Excessive menstrual flow may be excessive mental tension, environmental change, malnutrition, as well as factors such as metabolic disorder caused by dysfunctional uterine bleeding. Too much will cause long-term blood anemia, should seek medical treatment as early as possible, to identify reasons for treatment. Of course, and may be due to the uterus, ovary is not normal or systemic diseases caused bleeding too small, it is not normal that, on the timely medical treatment. Adolescent girls with menstrual flow into more and more common. The main reason is in adolescents, yet showed ovarian function fully mature at this time no part of the menstrual of ovulation. No ovulation there will be no corpus luteum, no luteal lack of progesterone. Therefore, the endometrium in the proliferative phase only can not reach a comprehensive secretory phase, which is not completely exfoliated endometrial and uterine contraction affected, resulting in excessive menstrual flow. If such a situation does not draw attention, as time passes, there will be looking warehouse white, weakness, dizziness and other symptoms of anemia, the doctor should also be treated. Fourth, blood color. Normal blood dark red, shedding blood mixed with the small E-endometrial, cervical mucus, vaginal epithelial cells, blood does not clot properly, no blood clots. If the blood thinner such as water, just a bit pink, or black Fazi, are not normal. If block blood coagulation is not normal, may be the site of another hemorrhage, and early treatment to ensure their health.