Table.

Breast Cancer Screening Guidelines

Organization (Year guideline issued)	Mammography	Clinical Breast Examination	Breast Self-Examination
United States Preventive Services Task Force	Age 40-49, individualize the decision (every 2 yrs, if performed) Age 50-74 yr, every 2 yrs ≥75, insufficient evidence	Insufficient evidence for recommendation	Not recommended
American Cancer Society	Age ≥40 yr, annually	Age 20-39 yr, every 3 yrs Age ≥40 yr, annually	Optional, ≥20 yr of age
National Health Service, United Kingdom	Age 47-73 yr, every 3 yrs	Not stated	Not stated
Canadian Task Force on Preventive Health Care	Age 40-49 yr, routine screening not recommended Age 50-74 yr, every 2-3yrs ≥75 no recommendation	Not recommended	Not recommended