When a woman experiences symptoms of chest swelling before her period, her period will come in a week or so. Due to the hormonal changes in the female body during menstruation, the estrogen and progesterone in the body decline, which leads to the symptoms of chest swelling and pain, accompanied by mental anxiety, constipation, limb edema, etc., after menstruation chest swelling symptoms will be relieved naturally, and if the symptoms of chest swelling are serious, you can take the Easy Pills under the guidance of the doctor to regulate the symptoms. After the onset of menstruation or after menstruation chest pain symptoms persist, or even more serious, it is recommended to go to the hospital in a timely manner to check whether there is the possibility of breast hyperplasia, timely treatment. At the same time, pay attention to breast care, regular cleaning and local massage, promote blood circulation, avoid eating spicy, stimulating food or long-term late night, so as not to affect the secretion of hormone levels in the body.