When your nipples are newly inverted, you need to see your health care provider. They might be a sign of mastitis, mammary duct ectasia, or an abscess under your areola. They alter after you gain or shed excess weight. They alter in reaction to beginning Command products and hormone substitution https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb