It is an additional nipples / occurring in humans and other mammals. Often mistaken for moles, supernumerary nipples are diagnosed very rarely in humans. CLINICAL PRESENTATION:------ Occasionally , The supernumerary nipples is noticed when hormonal changes during adolescence, menstruation or pregnancy cause increased pigmentation, fluctuating swelling, tenderness or even lactation. TREATMENT:----- Most often no treatment is required. However, a protruding embarrassing supernumerary nipples can be removed surgically, If it is necessary.