Extra (supernumerary or accessory) nipples or breast tissue

Extra nipples or breast tissue is fairly common (1-6% of women) and is a result of incomplete regression of the mammary ridge (milk line) during the development of the embryo before birth.

Supernumerary Nipple: Causes, Diagnosis, and Images — DermNet

Supernumerary Nipple

Accessory Nipple Removal: Cost, Reviews, Safety

Third Nipple (Supernumerary Nipple): Causes, Types & Removal

Nipple accessory - Altmeyers Encyclopedia - Department Dermatology

Accessory Nipple Removal: Cost, Reviews, Safety

Frontiers Ectopic Breast Tissue in the Inguinal Region: A Case Report and Suggestion of Indications for Excision

Engorged Breasts - Breastfeeding Support

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