Why is it painful a few days before menstruation?

A few days before menstruation will show mild abdominal pain, this time the endometrium is in a state of shedding, endometrium shedding will show mild abdominal pain, this time the uterus will be irregular spasms or contractions, so as to promote menstrual blood flow. If the pain is not particularly severe, it does not need to be treated with drugs. During this period, try to keep warm, pay attention to rest, do not overwork, do not eat cold food, and prevent excessive contraction caused by stimulation of the uterus from causing dysmenorrhea symptoms. If the abdominal pain is particularly severe, you can drink a proper amount of brown sugar ginger water conditioning, brown sugar ginger water has the effect of activating blood circulation to remove blood stasis, dredging meridians, stimulating endometrium and promoting menstrual blood outflow, so as to prevent menstrual blood clots from causing abdominal pain.