What Is Breast Density?

Each woman’s breast composition is unique. Every woman has fat, glands and fibrous tissue in her breasts, but the proportions of each vary woman to woman. There are 4 categories of breast density.

Young Caucasian adult woman examining her breast for lumps or signs of breast cancer
why breast density matters

Why Breast Density Matters?

Dense breasts make it harder for doctors to spot cancer because both cancer and dense breast tissue appear white on mammograms. A camouflage effect is created.

Finding Out My Density

What If I Have Dense Breasts?

Discuss your density category and any other risk factors such as genetics, family history, and previous biopsies so that your overall cancer risk is understood.

What If I Have Dense Breasts?
Female doctor discussing with a patient

Screening Methods for Canadian Women with Dense Breasts

The following screening tests are described below:  Mammography, Ultrasound, 3D Ultrasound (ABUS), MRI, Tomosynthesis.

Why the Canadian Task Force Breast Screening Guidelines are dangerous

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Finding out my density

Medical Disclaimer

The Dense Breasts Canada website is intended for the general purpose of:
1. Raising awareness about dense breasts and
2. Encouraging advocacy for the reporting of dense breast tissue to women.
We have included references, where applicable to ensure that the information provided is evidence based. However, we cannot guarantee that the information on the site is error-free or complete. The website is not intended to be a substitute for medical advice from a doctor. For answers to specific health-related questions, please consult your doctor. While we speak of Automated Breast Ultrasound (ABUS), we are not affiliated in any financial way with any private clinics that offer ABUS.