Embracing Body Diversity: Understanding Uneven Breast Size and Addressing Saggy Breasts

Women's bodies come in all shapes and sizes, and it's essential to embrace the unique features that make each individual special. One common physical characteristic that many women experience is uneven breast size. Uneven breast size, also known as asymmetrical breasts, is a natural and normal occurrence affecting women of all ages.

Posted on September 15, 2023

Reviewed by

Dr Ankita S


Women’s bodies come in all shapes and sizes, and it’s essential to embrace the unique features that make each individual special. One common physical characteristic that many women experience is uneven breast size. Uneven breast size, also known as asymmetrical breasts, is a natural and normal occurrence affecting women of all ages. In this blog, we will explore the causes of uneven breast size, debunk common misconceptions,discuss practical ways to care for and support breast health, and promote body confidence at every stage of life.

What causes uneven breast size?

In about 50% of women worldwide, one breast is slightly larger than the other. This is just a normal asymmetry which does not cause any health concerns. Most of the time, ladies are not even aware of that, simply because the difference is so subtle that it is hard to discern.

However, in some women, one breast is clearly bigger than the other. They frequently become worried not only about their appearance and body image but also about the health of their breasts as a result. Natural development,weight gain and loss, pregnancy, hormonal changes and breastfeeding may lead to saggy breasts. The breast ligaments are known as the Cooper’s ligaments, these are the ligaments that uplift and support your breasts. These ligaments start stretching out with time making the breasts sag. As your skin starts losing the elasticity it can lead to droopy and deflated breasts.   

Several factors can contribute to uneven breast size:

Natural Development: During puberty, hormonal changes and growth spurts can result in uneven breast development. It is not uncommon for one breast to develop faster or larger than the other.

Hormonal Changes: Hormonal fluctuations throughout a woman’s life, such as during menstruation, pregnancy, and breastfeeding, can impact breast size. These changes can lead to temporary or permanent unevenness.

Genetics: Family history and genetics play a role in determining breast size and shape. Some women are genetically prone to having asymmetrical breasts.

Lifestyle Factors: Lifestyle choices, such as sleeping positions or consistently favouring one side during activities like carrying bags or playing sports, can contribute to uneven breast size over time.

Some medical conditions that may cause changes in the breast tissue include:

  • Mastitis – breast infection which usually occurs during nursing
  • Juvenile Hypertrophy – a condition in which one of the breasts is significantly larger than the other one
  • Atypical Ductal Hyperplasia – excessive growth of the milk ducts (it is not breast cancer)

Does Uneven breast size a sign of Breast cancer?

Typically, minor breast asymmetry is not linked to an increased risk of breast cancer. On the other side, having breasts that are noticeably different in size and shape may increase your risk of breast cancer.

In addition to other characteristics like heredity and age, studies have discovered that women with breast cancer have a greater degree of breast asymmetry. But the association between asymmetrical breasts and cancer risk is still unclear.

Debunking Myths

There are several misconceptions surrounding saggy breasts that need to be addressed:

  1. Wearing a bra at night prevents sagging: There is no scientific evidence to support the claim that wearing a bra at night prevents breast sagging. However, wearing a properly fitting bra during the day can provide support and minimise discomfort.
  2. Only surgery can address uneven or saggy breasts: Surgical procedures, such as breast augmentation or breast lift, are options for those who seek more significant changes. However, surgery is not the only solution, and many women find satisfaction through non-invasive methods and self-acceptance.

Does breast size affect a woman's mental health?

According to various studies and surveys smaller perceived breast size was linked to lower breast size satisfaction and a more positive body image as a result of weight concern, whereas bigger size was linked to greater breast size satisfaction and a less positive body image. Higher public self-consciousness, social anxiety, and appearance preoccupation were associated with a mismatch between ideal and perceived size, regardless of whether ideal size was smaller or larger than perceived size.

Ways to restore and care for Uneven and Saggy Breasts

  • Supportive Bras: Wearing a well-fitting bra is crucial for comfort and minimising the appearance of uneven or saggy breasts. Seek professional bra fittings to find bras that offer the right support and enhance your natural shape.
  • Posture Awareness: Practise good posture to improve the overall appearance of your breasts. Stand tall, pull your shoulders back, and engage your core muscles. Maintaining proper posture can enhance your natural shape and provide a more confident appearance.
  • Healthy Lifestyle Choices: Adopting a healthy lifestyle can contribute to overall breast health. Maintain a balanced diet rich in antioxidants, vitamins, and minerals to promote skin elasticity and tissue health. Stay hydrated, exercise regularly to improve muscle tone, avoid smoking, and limit alcohol consumption to support overall breast health.


Uneven and saggy breasts are a natural occurrence experienced by many women. It is essential to embrace and accept our bodies, recognizing that beauty is not confined to societal ideals of perfection. By nurturing self-love, challenging misconceptions, and seeking support when needed, we can develop a positive body image and celebrate the diverse and beautiful bodies we inhabit. Remember, your breasts do not define your worth, and self-love and self-acceptance are essential ingredients in feeling confident and comfortable in your own skin.


1.Hsieh, C. C., & Trichopoulos, D. (1991). Breast size, handedness and breast cancer risk. European Journal of Cancer and Clinical Oncology, 27(2), 131-135.

2.Koff, E., & Benavage, A. (1998). Breast size perception and satisfaction, body image, and psychological functioning in Caucasian and Asian American college women. Sex Roles, 38(7-8), 655-673.

3.Çomçalı, B., Kocaoz, S., Özdemir, B. A., Parlak, Ö., & Korukluoğlu, B. (2021). Effects of sagging breasts and other risk factors associated with mastalgia: a case–control study. Scientific Reports, 11(1), 2620.

4.Alcocer, G., Alcocer, P., & Márquez, C. (2020). Effect of the Gravity on the Sagging Breasts of Women. Asian Journal of Applied Science and Technology, 4(3), 167-182.

Frequently Asked Questions

Yes, having slightly uneven breasts is considered normal for many women and is generally not a cause for concern. It is more common than having perfectly symmetrical breasts.

In most cases, having uneven breasts does not affect breastfeeding. Both breasts can produce milk, and a baby can still latch onto both nipples. If you have concerns about breastfeeding, consulting a lactation consultant can be helpful.

In some cases, wearing a properly fitted bra or using breast inserts can help create the appearance of more symmetrical breasts. However, non-surgical methods may have limitations in correcting significant size differences.

While it may not be possible to prevent saggy breasts entirely, wearing a supportive bra, maintaining a healthy weight, avoiding smoking (which can decrease skin elasticity), and practising good posture can help minimise sagging.

While exercise can strengthen the chest muscles and improve overall breast appearance, it may not significantly lift saggy breasts. However, it is still beneficial for overall health and may improve the breasts' overall appearance.

Reviewed by

Dr Ankita S


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Embracing Body Diversity: Understanding Uneven Breast Size and Addressing Saggy Breasts

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