Dark spots between boobs

Been noticing I’m getting these really weird blotches between my breasts , never had this before till now that I’m pregnant. I have no idea what it is ..

What causes discoloration of skin under the breast? By discoloration I mean it's like mud pile brown on expresso skin. - Quora

pecsbomb on X: Easy to find the right meeting point or isn't ? / X

Duygu Akay Beauty added a new photo — - Duygu Akay Beauty

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Duygu Akay Beauty added a new photo — - Duygu Akay Beauty

Shingles Under the Breast: Signs and Treatment

Woman called 'lazy' due to constant naps discovers she has incurable heart condition - Daily Record

Dark rash under breasts

Home Remedies To Lighten Dark Skin Under Breasts

Is this scabies? Been to 4 d doctors, one said ringworm, one said eczema and another contact dermatitis : r/scabies