Women may experience nipple pain or breast tenderness due to changes in hormone levels during ovulation or before menstruation. However, it is not possible to say that if a woman has nipple pain, her ovaries are ovulating. If you feel pain in your nipples every month, which lasts for a relatively short period of time, and there are no hard lumps or changes in the appearance of your breasts, it should be caused by physiological reasons. Women will appear nipple pain and the body’s endocrine has a relationship, usually live to maintain a good mood, minimize temper, and develop good habits, to see if you can improve the symptoms of nipple pain. Some women may experience breast swelling and pain before the onset of menstruation, and then be able to relieve the symptoms after the menstruation is cleared, which may be caused by breast hyperplasia.