One sore and achy breast. Why?

My left breast has been sore for about 2 weeks.  Similar pain and tenderness as before starting my period, but is only in the one.  Also, I am not set to start my period for another week.  Sometimes it also feels like letdown, and NO chance of being pregnant.  Any ideas?
Answers:

I have the same thing happening, only its both breasts. It almost feels like 'let down' but there is no way that i am pregnant either. I hurts to touch my breasts, but my nipples are killer sore. Like i was breastfeeding for a long period of time. My son is 5, i have not bf in 4 years. I am going for a TVH on thursday and cant get in to see my dr until after that. Could someone please send their suggestions/ideas this way? Thanks!!!


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