Incidence of Gynecomastia

Gynecomastia isn’t a rare disorder, by no means. Men and boys, of all ages, can experience the negative impact of this condition. Gynecomastia is seen in adulthood, puberty and surprisingly, birth.

Newborns may present with transient mild gynecomastia at birth due to the increased maternal estrogen production during pregnancy, often producing a white nipple secretion also known as “witch’s milk”.

Here are a few quick facts:

  • It affects 33%–41% of men, aged 25–45 years.
  • It is a common clinical condition consisting of the benign growth or proliferation of the male breast glandular tissue.
  • Approximately 32% to 65% of all males are affected by gynecomastia.
  • There are three peaks of prevalence in the male population: at birth, puberty, and adulthood.
  • Adult gynecomastia affects 30-50% of males 50-85 years of age.
  • Newborns may present with transient mild gynecomastia at birth due to the increased maternal estrogen production during pregnancy, often producing a white nipple secretion also known as "witch's milk." The condition may occur in 60-90% of all newborns, and it resolves in weeks without any problems.
  • Pubertal gynecomastia occurs in male adolescents, mostly from 11-16 years of age, with a peak prevalence at 14 years. It may occur in 20-60% of adolescent boys.

Grades of Gynecomastia

Gynecomastia is divided into types, grades or sizes, depending on skin redundancy, elasticity, and breast droopiness. The smaller the degree of the condition, the easier it is to treat it, and the better the cosmetic surgical outcome. Therefore, early diagnosis and treatment is key for a better treatment outcome.

1

Grade 1 Gynecomastia

In this minor stage, the breast is only slightly enlarged with no excess skin. Puffy nipples fall in this grade.

2

Grade 2 Gynecomastia

Still no excess skin but with moderate enlargement.

3

Grade 3 Gynecomastia

Moderate enlargement with excess skin.

4

Grade 4 Gynecomastia

Significant excess skin with severe enlargement.

gynecomastia grades

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