You can’t lose weight when you are menstruating. When a woman is menstruating, her body is weaker due to bleeding, and if she is not usually healthy, losing weight at this time will aggravate her weakness. At this time, you must relax, eat more nutritious food, do not labor and stay up late, pay attention to keep warm. Some people will have dysmenorrhea, if dysmenorrhea, mild dysmenorrhea can be appropriate hot compresses. If the dysmenorrhea is more serious, you need to go to the hospital for treatment, to find out the cause of dysmenorrhea. It is important to get enough sleep at this time of the year and not to overdo activities.