Polythelia

Polythelia (poly·​the·​lia) is the presence of an additional nipple at birth.

What is polythelia?

Polythelia, also known as supernumerary nipple, is a rare, congenital (present at birth) condition. The child may be born with an extra nipple and related tissues like an areola (ring around the nipple).

Risk factors

Polythelia affects both females and males and usually occurs along the milk line (area of the body that extends from the armpit, down the front of the breast and to the groin).

What are the signs and symptoms of polythelia?

The main sign of polythelia is an extra nipple and areola on the front of the torso.  

What are the causes of polythelia?

Polythelia typically occurs during development in the womb, but the exact cause is unknown. This condition can be inherited and run in families.

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