Anatomy of the Breasts
Each breast has 15 to 20 sections (lobes), which are arranged like the petals of a daisy. Each lobe has many smaller lobules, which end in dozens of tiny bulbs that can produce milk.
Normal Breast Development and Changes
Breast development occurs in distinct stages, first before birth, and again at puberty and during the childbearing years. Changes also occur to the breasts during menstruation and when a woman reaches menopause.
Reducing Your Risk for Breast Cancer
Your health habits may play a role in helping to reduce your risk for this serious disease, and they're particularly important as you get older.