Delayed menstruation with chest pain may be due to breast development that occurs after ovulation with higher hormone levels in the body, which is manifested as breast swelling and pain. Early pregnancy with increased hormone levels can also lead to breast development and enlargement, resulting in breast swelling and pain. Breast pain can also occur if a woman has breast hyperplasia or breast nodules, and breast pain can also occur with malignant tumors of the breast. If you have delayed menstruation and chest pain, you need to exclude whether it is early pregnancy, if it is caused by pregnancy, pay attention to proper rest, wear loose underwear, the third trimester of pregnancy will be gradually relieved. If you rule out early pregnancy, it’s best to do a breast ultrasound. If you are sure that you have breast hyperplasia or breast nodules, you can be given traditional Chinese medicines to relieve the liver, regulate qi and disperse the lumps. If the lumps are large or of a bad nature, surgery is needed if necessary. In normal times, it is necessary to regulate emotions, ensure good sleep, communicate with others more often, and maintain a good state of mind.