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Side boobs may not be as sexy as they sound – here’s why they can be a cause for concern

Oct 3, 2023
March 11, 2026
Medically reviewed by:
Dr Ivan Puah, Medical Director

We peel back the layers of the “side boobs” trend, from its glamorous origins to the fashion choices that make it sizzle. But there's a hidden health concern.

side boobs

Table of Contents

Side boobs are often considered a fashion statement but can also indicate accessory breast tissue, a medical condition that resembles side boobs. This tissue can form outside the typical breast area, leading to lumps or swellings, especially in the armpit.

Symptoms may include swelling and tenderness during puberty, menstruation, or menopause. Those experiencing discomfort may consider removal, and it’s recommended to consult a medical professional for treatment options.

“Side boobs” may not be as sexy as they sound – here’s why they can be a cause for concern

Often associated with a provocative display of skin and flesh, side boobs have become a symbol of style and confidence, especially among celebrities and influencers who consistently push the boundaries of conventional fashion norms.

But what lies beneath the surface allure of the side boob trend? Is there more to it than meets the eye, a hidden health concern that lurks beneath the surface?

What if your side boob isn't a side boob?

“Side boobs” may not be as sexy as they sound – here’s why they can be a cause for concern

While the term "side boobs" may conjure images of fashion-forward statements, there's another side to this phenomenon that often goes unnoticed – and it can be a medical condition with its own set of complexities.

This condition is known as accessory breast tissue or polymastia.

Your side boobs may be an accessory breast, and it's not as sexy as it sounds

Essentially, it refers to breast tissue that forms outside the typical breast area.

This anomaly arises from a fascinating aspect of human development – the milk line.

This invisible but crucial line runs from the armpit to the groin on both sides, and during embryonic development, breast tissues develop along this path.

In most cases, the body efficiently absorbs additional tissues along this developmental journey.

However, sometimes, this absorption process doesn't go as planned, leading to the persistence of accessory breast tissue.

Accessory breast tissue can take various forms, often appearing as a lump or swelling beneath the skin.

In some instances, it may resemble a mole or dimple, but it can also closely resemble a typical nipple, albeit usually smaller.

In those with accessory breast tissue, the armpit area, specifically the axillary region, is the common site of this development.

How to know if you have accessory breasts

It's not uncommon for individuals to experience swelling and tenderness in the armpit, particularly during pivotal stages such as puberty, menstruation, and post-delivery.

After giving birth, some women may find their armpit area engorged and painful.

In many cases, there may be no visible nipple or areola. However, functional ducts capable of leaking milk are possible and have been observed in certain individuals.

Removing enlarged accessory breast tissue safely and effectively

Accessory breast tissue can be a source of physical discomfort and self-consciousness for those affected.

This condition is more common than one might think, and individuals often seek ways to address it for practical and aesthetic reasons.

Accessory Breast Removal represents a practical, permanent, and clinically validated solution.

If you've explored various methods without achieving your desired results, consider scheduling a consultation and assessment with Dr Ivan Puah, who has decades of experience treating this medical condition.

ACCESSORY BREAST REMOVAL SURGERY

Not sure if you’re dealing with stubborn armpit fat, medical condition or accessory breast tissue? You’re not alone—many patients find it hard to tell.

Reference

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