Gynecomastia is an endocrine system disorder in which a noncancerous increase in the size of male breast tissue occurs. [a] Psychological distress may occur. The development of gynecomastia is usually associated with benign pubertal changes. Breast Development Early in puberty, most boys experience soreness or tenderness around their nipples. Three in four, if not more, will actually have some breast growth, the result of a biochemical reaction that converts some of their testosterone to the female sex hormone, estrogen. With gynecomastia, tissue inside the breast glands grows. This can cause female-appearing breasts. Gynecomastia (guy-nuh-koh-MAS-tee-uh) is swelling of the breast tissue in boys or men, caused by an imbalance of the hormones estrogen and testosterone. Gynecomastia can affect one or both breasts, sometimes unevenly.
For all women, breasts are a very important and very visible aspect of their "womanhood". It is also probably fair to say that the female breast is regarded by men and women as a key aspect of feminine breast development in male
- both in our modern society and historically. The development of breasts gives the male-to-female transsexual woman a tremendous confidence boost, and powerfully identifies her as a female to others. It is also impossible to ignore that the fact that breasts are immensely strong sexual symbols, and secondary sexual organs whose presence can be enjoyed by both the owner and their partner. Unlike a breast development in male,
breasts can be easily and acceptably be publicly displayed in either part cleavage or full e.