Sore breast but different this time

Sarah • Mommy, daddy and baby sailor🎃💙 our Halloween baby
So usually my breast get sore a week or more before AF is due this time it just started and I'm due for AF in two days the pain seems to be deeper in my breast almost around my under arm I can not wait to test something about this month tells me it could be it on top of being tired all day anyone else experience this??