Many changes will occur in your breasts during your lifetime. Throughout puberty, pregnancy and menopause, the look, structure (anatomy) and function of your breasts change. Learning about breast structure and how the breasts function can help you understand which changes are normal and which are not. This section describes these changes, explains breast cancer and other breast conditions. This is a good first step to find out about breast cancer and benign (not cancer) breast conditions.
This section also includes breast cancer statistics.
Learn about breast cancer in men.