Menstruation in this context refers to the period of menstruation. Watermelon can be eaten during menstruation, in moderation, but it is not recommended to eat watermelon directly from the refrigerator. Watermelon is a common fruit that contains water, protein, carbohydrates, vitamin C and many minerals, which can replenish the body with the necessary nutrients. Women can also eat watermelon during menstruation, and will not cause adverse effects on the body. However, it should be noted that women are not recommended to eat watermelon directly from the refrigerator during menstruation. If it has just been taken out of the refrigerator, it should be placed in a room temperature environment and eaten after a period of time to avoid irritating the gastrointestinal tract and causing discomfort. At the same time, menstruation should pay attention to the rationality of the diet, to light easy to digest and rich in nutrients. Watermelon can be eaten during menstruation, but it is best to eat watermelon at room temperature.