The majority of cases of breast pain during menstruation are caused by breast enlargement, while others are physiological. Generally, this symptom is more obvious before and during menstruation, and after menstruation, the pain is relieved naturally and is regular. For women with frequent breast pain, it is recommended to have an ultrasound and palpation of the breast. The breast is a part of a woman’s body that is prone to lesions, including breast enlargement, breast fibroids, and some other breast diseases. It is generally recommended to have a mammogram once a year, and if abnormal breast lesions are found, they need to be treated promptly. In addition, during menstruation, it is recommended not to wear underwear that is too tight.