Gynecomastia is thought to be caused by an altered ratio of estrogens to androgens, an increase in estrogen production, a decrease in androgen production, or a combination of these factors with estrogen acting as a growth hormone to increase the size of male breast tissue.
Gynecomastia is thought to be caused by an altered ratio of estrogens to androgens with estrogen. Gynecomastia is thought to be caused by an altered ratio of an increase in estrogen production with estrogen. Gynecomastia is thought to be caused by an altered ratio of a decrease in androgen production with estrogen. Gynecomastia is thought to be caused by an altered ratio of a combination of these factors with estrogen. This estrogen is acting as a growth hormone. This is to increase the size of male breast tissue.