Introduction:
Although breast ptosis is assumed to be an indicator of ageing and plays important role in a woman’s attractiveness and body satisfaction, there is a paucity of epidemiological and quality-of-life data.

Aim of the research:
To provide epidemiologic benchmark for rejuvenation claims in breast aesthetic surgery.

Material and methods:
We examined the prevalence of breast ptosis and measured its impact on women’s quality of life by using the Rainbow score and BREST-Q questionnaire. A total of 605 volunteers participated in Study 1, and data from 1907 photomodels was analysed in Study 2.

Results:
Among women aged 18–22 years, clinically significant ptosis was present in 30% and 36% participants of Study 1 and Study 2, respectively. Severity of breast ptosis, but not age, was correlated with breast-related quality-of-life scores. Significant differences in all breast-related quality-of-life measures were found between non-ptotic, mildly ptotic, and severely ptotic respondents. The self-reported degree of ptosis influenced the difference in breast satisfaction when clothed or naked (H(4) = 70.926, p < 0.001). Women self-declaring an adolescent breast shape expressed significantly higher desired breast positioning than all other groups (p < 0.006). Women with ptotic breasts assumed a higher degree of breast ptosis in age-matched peers compared to women without breast ptosis (p < 0.001). Additionally, we found a tendency for underestimation of breast ptosis in younger age groups and a tendency for overestimation of breast ptosis in older age groups.

Conclusions:
Breast ptosis is a prevalent phenomenon in young adult women. One’s breast ptosis status has a negative impact on quality of life and biases one’s perception of age norms.