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Characteristics of the Perfect Breasts

In aesthetic surgery, the quest for the ‘perfect breasts’ is a journey that both plastic surgeons and patients embark upon. UK surgeon Patrick Mallucci took a scientific approach to decipher what constitutes the perfect breast, and his ground breaking research has shed light on the aesthetic preferences of individuals.

In this blog, Sydney Specialist Plastic Surgeon Dr Bish Soliman will discuss Mr Mallucci’s research and its implications, along with a glance at other studies that echo this pursuit of aesthetic perfection.

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Mallucci’s Insight into Perfect Breasts

Mr Patrick Mallucci conducted a significant research study to explore the aesthetics of what is considered the “perfect breast.” His research aimed at identifying the ideal proportions and characteristics that make a breast attractive to a wide range of individuals. Here’s a detailed summary of his research and its findings:

45:55 Ratio and Morphometric Analysis

Mallucci led a study that established a 45:55 ratio as a hallmark of the ideal breast aesthetic. This ratio represents the proportion of breast volume distributed above and below the nipple meridian, which is a horizontal line drawn at the level of the nipple.


In a follow-up morphometric analysis, different breast proportions were morphed and evaluated to understand public opinion on the ideal breast proportions. The key feature of this analysis was the upper pole-to-lower pole percentage proportion, with ratios such as 35:65, 45:55, 50:50, and 55:45 being considered.

Public Perception and Preferences

The research included a study conducted over three months with around 600 women and 600 men of varying ages, backgrounds, and social classes. Participants were shown a selection of breast images, morphed into different proportions, and were asked to mark the ones they found most attractive. The study revealed a universal preference for more natural-looking breasts. The ideal breast, as per the findings, had an upper pole that was either straight or concave, and a nipple pointing skywards at an average angle of 20 degrees, with a neat but voluminous curve in the lower pole.

Interestingly, the research uncovered that 86% of Europeans preferred the 45:55 ratio, aligning with the results of the morphometric analysis.

Impact on Surgical Practices and Breast Augmentation

The findings from this research have significantly influenced breast augmentation practices. Mallucci’s insights from the study enable him to perform breast augmentations that align with these aesthetic preferences, leading to higher patient satisfaction and a reduction in the need for re-augmentation surgeries for aesthetic purposes.

Furthermore, Patrick Mallucci shared his findings in a conference on breast enlargement, delivering a lecture on ‘Concepts in Design for Breast Augmentation’, which indicates the study’s relevance and application in modern surgical practices.

Publication and Peer Recognition

The research has been published and cited extensively, contributing to the broader understanding of breast aesthetics within the medical community. For instance, a publication titled “Shapes, Proportions, and Variations in Breast Aesthetic Ideals: The Definition of Breast Beauty, Analysis, and Surgical Practice” cites Mallucci’s work on the analysis of the ideal breast, demonstrating its impact on the field of aesthetic surgery.

Mallucci’s research on the “perfect breast” provides a scientific basis for understanding public preferences regarding breast aesthetics, and it has significantly impacted breast augmentation practices, ensuring better surgical outcomes that align with patient preferences and aesthetic ideals.

Other Studies about “Perfect Breasts”

Several studies have been conducted to explore and define the ideal breast proportions, mirroring Patrick Mallucci’s research endeavours. Here’s a summary of some of these studies and their findings:

  1. Study by Mallucci and Branford

A study by Mallucci and Branford analysed the natural breasts of 100 models to identify ideal breast attributes. They outlined four attributes: an upper pole-to-lower pole ratio of 45:55, a skyward-pointing nipple at a 20° mean angle, a straight/mildly concave upper pole slope, and a tight lower pole convexity​​.

  1. Various Studies on Ideal Breast Proportions:

Numerous studies have created parameters to define the ideal breast, suggesting that attitudes towards the ideal breast may fluctuate based on culture and experience. These studies emphasise that clinicians should be aware of potential parameters defining the ideal breast and understand that preferences can be influenced by demographics.

  1. Aesthetic Characteristics of the Ideal Female Breast Study:

In a study collecting 1021 survey responses, researchers evaluated breast attractiveness using a five-point Likert scale. The highest-scoring subgroup patients had minimal ptosis and a projected contour, indicating certain aesthetic preferences among the participants.

  1. Public Perception of Ideal Breast Shape Study:

This study aimed to understand the ideal breast shape and aesthetics leading to public perception of an attractive breast. The study’s objective was to enhance the outcome of breast augmentation procedures by aligning them with public aesthetic preferences.

These studies collectively contribute to a broader understanding of aesthetic preferences concerning breast proportions, offering valuable insights to clinicians and individuals considering breast augmentation. Each study brings a unique perspective, underlining the complexity and variability in preferences and ideals regarding breast aesthetics.

Further Reading about Breast Procedures with Dr Bish Soliman


About Dr Bish Soliman

Dr Bish Soliman - Sydney Plastic and Reconstructive Surgeon, about us 01 2x
Specialist Plastic, Reconstructive and Cosmetic Surgeon
FRACS (Plas), MS (Plas), MBBS (Hons 1), BCom

AHPRA Registered Medical Practitioner MED 0001679053 Specialist Registration in Plastic Surgery

Dr Bish Soliman is a Sydney-based Specialist Plastic and Reconstructive Surgeon who performs aesthetic surgery of the face, breast, and body as well as skin cancer surgery.

He currently holds two consultant microsurgery positions in major Sydney hospitals performing complex microsurgical reconstruction including DIEP breast reconstruction.

After graduating from The King’s School, Dr Bish completed a Bachelor of Commerce degree at the University of Sydney. After working briefly at a major Sydney finance firm, he decided to pursue his passion and long-term goal of a career in medicine. He graduated from the University of Notre Dame at the top of his class, receiving First class honours and the prestigious Bower and Sherrard medal. He then went on to complete his junior medical training at Westmead Hospital during which time he was awarded Junior Medical Officer (JMO) of the Year, as well as a finalist for NSW Doctor of the Year.


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