I get this as well...in fact its getting worse the older i get (late 40's)
about 2 wks Before my period they are so sore, I MUST wear a bra , it hurts to sleep on my stomach, when i take off my bra at nite they feel like 2 bowling balls on my chest!~ owweeeee~~~
hubby thinks im exagerating..i wish he could spend a week in my shoes!