That's not true. . Aunt: Actually, she will have a bad appetite during menstruation, and she will lose blood at that time, so she will feel like she has lost weight, but she is not. . And menstruation needs nutrition, which may lead to anemia, malnutrition and irregular menstruation. If you want to lose weight, you can put it after menstruation. At that time, fat burns faster, your body metabolizes faster and it is easier to lose weight!