. Because a lot of nutrients are lost during menstruation, we should pay attention to supplementing nutrition at this time. You can go on a diet, but don't starve yourself The absorption of food during menstruation is a little slower than usual. So eating is not so easy to gain weight. . If you want to lose weight, it is best to go on a diet within one week after menstruation, and the effect is the best. By the way, I love to gain weight one week before menstruation. be careful/cautious