May be mastitis,cyclical pain,breast cysts, breast trauma, prior breast surgery or other factors localized to the breast. Breast pain may also start outside the breast... in the chest wall, muscles, joints or heart, for example Cyclic breast pain appears to have a strong link to hormones and your menstrual cycle. Cyclic breast pain often decreases or disappears with pregnancy or menopause...consult nearest surgeon they will help you if its not cyclical one..
Well the pain might be muscular..I dot thi k you will have to worry unless you have it in association with the menstrual cycle...and for back pain it might be due to posture, heavy weight if you are overweight etc...so need little more history and examination...meet a physician first.. thank you
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