Nipple body odor?

Ok this is so weird but recently maybe the past three weeks or so I’m finding that I smell like BO but it is coming from my breasts around my nipple area I really notice after I take off my bra. It is not my bras because it’s happening with every bra I wear. This has never happened before and I don’t know what to think of it. Should I be going to the dr? I generally don’t even have much body odor under my arms even unless I’m on my period. I have been sick with a virus, and I am now on my period. Don’t know if that has anything to do with it but I want it to go away? Anyone have any idea what this could be from?