Soreness, weakness and chills during menstruation are considered to be related to physiological factors, and may also be caused by anemia and colds. 1. Physiological factors, some women during menstruation due to hormonal fluctuations in the body, the body is not very adaptive, the body of prostaglandin secretion is strong, there may be soreness, weakness and cold symptoms. 2. Anemia, due to excessive bleeding during menstruation, may lead to anemia, blood circulation is slowed down, the body’s metabolism is affected, so there will be the symptoms of menstrual cramps and chills. 3. Cold and flu, some women’s body resistance during menstruation is poor, easy to catch a cold, cold and flu after the body’s central nervous system is affected, the body temperature rises, so the symptoms of menstrual cramps and chills may occur. If there are obvious symptoms of discomfort during menstruation, it is recommended to consult a doctor in time for examination and treatment.