The “great aunt” that comes every month will always make people feel irritable, distressed, and puzzled …… because it may appear various problems in many cases. Menstruation is also known as “women’s physiological mirror”, because this period is a woman’s immunity, resistance to the weakest time, lurking in the body’s health problems are most likely to surface at this time, when the discovery of those weekdays is not easy to show health warnings, can be found early on can be improved early. The amount of menstrual flow and the accuracy of the menstrual period reflect women’s health problems A normal menstrual cycle lasts 4-7 days on average, and the amount of menstrual flow ranges from 20-80 ml. How much menstrual flow is considered to be too little menstrual flow? Generally speaking, if the amount of menstrual flow is less than 15 milliliters, it is considered to be too little. Low menstrual flow is two concepts, one is really low and the other is low in my own opinion. Why? Because a normal menstrual flow of 20-80ml is normal. If it has always been a relatively small amount, then for this person, she may be normal. Then if there is a decrease in menstrual flow after an operation. There may be some uterine adhesions, some damage to the lining of the uterus. She will have to be advised for further investigations. Then when you can not understand why your menstrual flow is reduced, to the hospital doctor may recommend you to do a hysteroscopy to see if there are uterine adhesions, and then according to the patient’s fertility requirements, the patient’s age to follow up the treatment. How much menstrual bleeding is considered excessive? Generally speaking, more than 80 milliliters is considered excessive menstruation. As an estimate, the normal amount of sanitary napkins used is 3-4 times a day, not more than 2 packs (10 tablets per pack) per cycle. If using 2 packs of sanitary napkins is not enough and almost every napkin is wet, it is considered excessive menstruation. The reasons for excessive menstruation vary with age and physiological stage. But for the human body itself, excessive menstrual blood is very harmful to the human body. Clinically, excessive menstrual bleeding is more common than low menstrual bleeding. The causes of excessive menstrual bleeding are often accompanied by various gynecological diseases, such as uterine fibroids, uterine adenomyosis, and possibly intrauterine uterine bleeding, which can lead to excessive menstrual bleeding. Dangers of heavy menstruation: The most common is anemia. Anemia is the cause of a number of diseases, and the cause of anemia is the loss of iron. Iron is one of the essential elements of the human body, which not only participates in the synthesis of hemoglobin and a variety of important enzymes, but also plays an important role in the synthesis of purines and collagen, the production of antibodies, and the transport of lipids in the blood. If iron deficiency anemia is caused, then fatigue and weakness, panic and shortness of breath, dizziness, and in severe cases, pallor, paleness of the mucous membranes of the mouth and lips and the conjunctiva of the face, and mild enlargement of the liver and spleen will likely occur. Women with severe iron deficiency anemia can cause anemic heart disease. Therefore, it is necessary to eat more fish and various animal liver, blood, lean meat, egg yolk and other foods rich in iron during menstruation, and even use nutritional supplements. Among them, animal iron has high biological activity and is easily absorbed and utilized by the body. While soybeans, spinach rich in iron in plants, is not easily absorbed by the stomach and intestines. Therefore, in the diet is best meat and vegetable tower with appropriate more animal foods, especially animal whole blood, not only rich in iron, and also rich in high-quality protein, is inexpensive recommended food for menstruation, of course, red meat is also very suitable. Finally, it should be noted that once the menstrual flow to anemia, must promptly go to the local hospital, seek medical help, identify the cause of heavy menstrual flow, and timely treatment.