One of the most frequently performed cosmetic surgery procedures in the United States is breast augmentation. This procedure can give women with small or unevenly sized breasts a fuller, firmer, better-proportioned look. Women elect to undergo breast augmentation for many different medical and aesthetic reasons. Most commonly, breast augmentation is performed simply because a woman desires more volume. However, breast augmentation can also be performed to correct a reduced breast volume and abnormal shape following pregnancy or surgery or to balance unequally sized breasts. A breast lift must occasionally be combined with a breast augmentation in order to achieve the desired result.