In fact, women lose some blood during menstruation, so they need water to replenish body fluids. Thirst is normal. Even a considerable number of women start to store water a few days before menstruation, so it is possible to gain weight. During menstruation, your dry mouth is not directly related to drinking water. It's entirely your psychological function, and you may not be used to it. It is the most important thing to adjust your mental state. Every woman has different physiological skills and different needs for water. Precautions in menstrual diet are a topic of concern to many female friends. After menarche, the body will be affected to some extent, such as decreased resistance, easy mood swings, irritability, anxiety and so on. This is because menstrual blood loss makes the body lose more iron. Experts remind: In addition to avoiding overwork and maintaining a happy mood during menstruation, proper diet conditioning can help alleviate these bad symptoms.