Should your nipples are recently inverted, you need to see your physician. They may be a sign of mastitis, mammary duct ectasia, or an abscess under your areola. ...there isn't any healthcare reason to use a bra, so the decision is yours, based yourself personalized comfort and ease and aesthetics. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb