Women with edema during menstruation usually weigh 1-2 pounds. In the menstrual period edema: 1, in the body before the onset of menstruation estrogen is high, there is to promote the role of water and sodium retention. 2, women in the menstrual period due to the body fatigue, often appear to reduce the amount of activity, if the normal diet will also lead to appropriate weight gain. Women can eat appropriate winter melon and other diuretic food, is conducive to alleviate the phenomenon of edema. Normal women’s menstrual period is within 3-7 days, after the menstrual period with the hormone level changes, women’s physical activity increases, edema phenomenon will be relieved and disappear. If women still have obvious edema after menstruation, they should go to the hospital for kidney function tests to see if there is any kidney function abnormality that causes edema.