Most of the chest pains that occur before menstruation are normal. Because the hormone level in the body affects the breast tissue before menstruation, the breast tissue will fill up. Especially if you have breast enlargement, the chest pain will be more obvious before your period. Usually, chest pain will start to appear about a week before menstruation, and after the onset of menstruation when the hormone level in the body is stable, the symptoms of chest pain will be gradually relieved, and the symptoms will disappear after the end of menstruation, which is regular. Most of the chest pains that appear before menstruation do not need special treatment, and regular check-ups are recommended to do so. If you usually also have obvious chest pain before menstruation, accompanied by abnormal lumps in the breast or nipple overflow, it is recommended to consult a doctor in time, to improve the relevant examination of the breast, to exclude special diseases of the breast.