Breast Augmentation Improves the size and appearance of the breasts. Procedure Breast augmentation, also called breast enlargement, improves the size and appearance of the breasts by implanting saline or silicone breast implants either under or over the chest muscle, thus producing a cosmetic enhancement. Length This procedure takes approximately two hours. Anesthesia A general anesthesia is administrated and the patient is completely asleep, or an intravenous sedation is used, combined with local anesthesia. Inpatient/Outpatient Either inpatient or outpatient depending on the preference of the surgeon. Possible Side Effects Mild, temporary discomfort, mild to moderate swelling, a change in nipple sensation (either increased or decreased), and temporary bruising. Breasts may be sensitive to Recovery The patient can return to work within a few days. She should avoid any physical contact with her breasts (excluding her bra) for approximately three to four weeks. Scars should fade and flatten anywhere from three months to two years after surgery, depending upon how the individual patient heals. Results The outcome varies from patient to patient. However the overall effect is enhancement of breast size for improved appearance.