Breast augmentation, sometimes referred to as a "boob job" by patients, involves using breast implants or fat transfer to increase the size of your breasts. This procedure can also restore breast volume lost after weight reduction or pregnancy, achieve a more rounded breast shape or improve natural breast size asymmetry.Breast Augmentation For some women, breast augmentation is a way to feel more confident. For others, it's part of rebuilding the breast for various conditions.[citation needed]