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Breast asymmetry and how to correct them

Let us start by stating the most important thing: Breast asymmetry is common.

Breast asymmetry, a natural occurrence for over 50% of women, refers to the uneven size, shape, or position of breasts. While it's a common variation, it also varies greatly in degree. Some women may experience more noticeable differences that impact self-esteem and body image, cause psychological stress. In other ladies, the asymmetry can also cause functional disturbance and social embarassment. This blog explores the nuances of breast asymmetry, its potential causes, and the available corrective options.


Breast asymmetry is not a reason for concern – it is a very common occurrence. There are numerous reasons for breast asymmetry, including hormonal changes, pregnancy, breast-feeding, menopause and trauma. It can also be caused by congenital or acquired medical conditions such as juvenile hypertrophy of the breast, a rare condition which causes one breast to grow larger than the other. Below are some of the more common causes:

Poland’s Syndrome

Poland’s Syndrome is a congenital condition characterized by chest wall asymmetry and underdevelopment of the breast on the affected side. The condition presents a wide range of abnormalities that can impact the chest wall and upper limbs, which may include:

  • Absence or underdevelopment of the pectoral component of the pectoralis major muscle

  • High nipple position or absence of the nipple

  • Narrow chest width on the affected side

  • Absent or abnormal ribs or sternum

  • Hand abnormalities on the affected side


Scoliosis, a medical condition characterized by an abnormal curvature of the spine, can contribute to apparent breast asymmetry. The uneven rotation and curvature of the spine associated with scoliosis may lead to a misalignment of the ribcage and chest wall. As a result, one breast may appear higher or larger than the other, creating the illusion of breast asymmetry.

While scoliosis itself does not directly impact breast tissue, the structural changes in the chest area can affect the positioning and presentation of the breasts. Understanding the correlation between scoliosis and apparent breast asymmetry is crucial for individuals seeking to address aesthetic concerns related to spinal curvature.

Plastic surgeons often liaise with orthopedic specialists to develop a comprehensive treatment plans tailored to the unique needs of individuals dealing with both scoliosis and perceived breast asymmetry.

Pregnancy and breastfeeding

Pregnancy and breastfeeding are transformative processes that can contribute to breast asymmetry in some women. The physiological changes during pregnancy, such as hormonal fluctuations and increased blood flow, can lead to variations in breast size and shape.

Additionally, the demands of breastfeeding, which involve one breast producing more milk than the other or changes in nipple sensitivity, may further contribute to asymmetry. Factors like the duration of breastfeeding, the number of pregnancies, and genetics can influence the extent of these changes. While the body often adapts to these fluctuations, some women may experience persistent breast asymmetry post-pregnancy. Understanding these natural variations is essential for individuals seeking to address aesthetic concerns, as consulting with a qualified plastic surgeon can help determine appropriate corrective measures tailored to individual circumstances.

Benign breast mass and breast procedures

Benign breast masses and certain breast procedures can be contributing factors to breast asymmetry. Benign masses, such as cysts or fibroadenomas, may alter the volume and shape of the breast tissue, leading to noticeable imbalances. Additionally, surgical interventions, such as lumpectomies or breast-conserving surgeries to remove these benign masses, can result in changes to the overall breast structure. While these procedures aim to address health concerns, they may inadvertently create variations in breast size and shape.

Ensuring a thorough understanding of the potential impacts of benign breast masses and related procedures on breast symmetry is crucial for individuals considering or undergoing such interventions.

Breast Hypoplasia

Breast hypoplasia results from underdeveloped breasts during puberty, leading to absent or very small breasts. This is the most common form of breast asymmetry and can usually be corrected by augmenting the affected side. Many women opt for augmentation on both sides using different-sized implants to achieve fuller, more natural-looking breasts that complement their body shape.


  • Improved Self-Esteem: Enhances confidence and comfort in one's appearance.

  • Balanced Appearance: Achieves symmetry, creating a proportionate figure.

  • Enhanced Clothing Options: Allows for a more comfortable and confident choice of clothing.

  • Improved Posture: Reduces posture issues and back pain associated with asymmetry.

  • Increased Comfort: Alleviates physical discomfort and enhances quality of life.


There is no universal solution to breast asymmetry and each patient must be assessed for an individualized approach. An experienced plastic surgeon would employ a wide range of techniques to achieve natural-looking, symmetrical results.

Often, a combination of breast lift, reduction, and augmentation procedures are performed to achieve balance and symmetry. The plastic surgeon will collaborate with the patient to design a comprehensive plan and select techniques based on individual breast anatomy anatomy, general health, personal preferences, and lifestyles to design a comprehensive correction approach.

Breasts that are too large or ptotic may undergo breast reduction and lifting procedures. Breasts that are too small may be augmented with implants or fat graft. Localized deficiency can often be correct by fat-grafting as well. Different sizes of implants may be used to address preoperative breast asymmetry. In selected cases, a tissue expander may even be used to pre-expand the skin pocket.

The breast volume, contour, and symmetry are often addressed first. The nipple / areolar asymmetry is addressed afterwards, if necessary.


Recovery varies based on the specific procedure, with expected bruising and swelling lasting up to four weeks. Pain medication and compression garments are often used to aid in recovery. Strenuous activity avoidance, typically for a few weeks, ensures optimal healing.


Breast asymmetry is a natural part of the human body's diversity. For those seeking to address more pronounced asymmetry, modern plastic surgery provides safe and effective options. Discuss with an experienced plastic surgeon if you are considering improving breast asymmetry or simply want to understand your options better.


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