Hello, the week before menstruation is a slimming welfare period, and the week after menstruation is a slimming overspeed period. Try to do some exercise before and after menstruation to burn body fat. The most important thing is to burn off most of the fat accumulated in the abdomen. You can do yoga for about 20 to 30 minutes every day, and with brisk walking or jogging for half an hour, you can help your body burn fat.