Ditch the pink this October and spread breast-cancer awareness with these 31 facts about breasts. In most women, the left breast is usually slightly larger than the right. Very few women have perfectly symmetrical breasts. A slight difference in size — up to 20 percent — between the right and left breast is normal.

Try out PMC Labs and tell us what you think. Learn More. Designed stimuli: MJT. Performed the experiments: VS.

Back to Cosmetic procedures. Breast reduction is a major operation that can help make your breasts feel smaller, lighter and give them a better shape. If you're feeling very distressed about the size of your breasts, or they're causing problems like backache, you might be able to have a breast reduction on the NHS. If you're thinking about breast reduction to change your appearance, rather than for health reasons, you'll need to pay for it privately. Before you go ahead, be sure about why you want a breast reduction.