What factors are related to the appearance of iron deficiency anemia in women? It is mainly related to the following factors: 1. Improper diet, especially dieting and weight loss is common among women, and also picky and partial eating behavior can cause iron deficiency. In addition, drinking strong tea and coffee, which contains tannic acid will also affect the absorption of iron. 2, excessive menstrual blood, especially patients suffering from uterine fibroids or partially placed intrauterine device, will cause chronic blood loss and excessive loss of iron. 3, when pregnant, the demand for iron and other nutrients increases during this period, if not properly supplemented, iron deficiency anemia can also occur. 4, certain gastrointestinal diseases can The absorption of iron is impaired by certain gastrointestinal diseases, such as atrophic gastritis, major gastrectomy, etc. At this time, the iron absorption capacity decreases, and iron deficiency anemia can also occur over time. 5. Other chronic blood loss, such as recurrent nosebleeds, long-term gastrointestinal bleeding, hemorrhoid bleeding and other chronic blood loss, can also cause iron deficiency anemia.