Group (date) | Frequency of screening (years) | Initiation of screening for women at average risk | ||
40 to 49 years of age | 50 to 69 years of age | ≥70 years of age | ||
Government-sponsored groups | ||||
US Preventive Services Task Force (2024)[1] | 2 | Yes, start age 40 | Yes | Yes, to age 74 |
Canadian Task Force on Preventive Health Care (2018)[2] | 2 to 3 | Recommend against* | Yes | Yes, to age 74 |
National Health Service, United Kingdom (2018)[3] | 3 | Yes, start age 47 | Yes | Yes, to age 73 |
Royal Australian College of General Practitioners (2018)[4] | 2 | No | Yes | Yes, to age 74 |
Medical societies | ||||
American College of Obstetricians and Gynecologists (2017)[5] | 1 to 2* | Individualize* | Yes | Yes, to at least age 75¶ |
American College of Physicians (2019)[6] | 2 | Individualize* | Yes | Yes, to age 74 |
American Cancer Society (2015)[7] | 1 year age 45 to 54 | Individualize* through age 44 Yes, start age 45 | Yes | YesΔ |
1 to 2 years age ≥55 | ||||
American College of Radiology and Society of Breast Imaging (2021)[8] | 1 | Yes | Yes | Yes◊ |
Coalitions | ||||
National Comprehensive Cancer Network (2018)[9] | 1 | Yes | Yes | Yes |
* Women should be counseled about the harms and benefits of mammography; individualized decisions should include shared decision-making based on risks, benefits, patient values and preferences.
¶ Decision to discontinue screening mammography should be based on a shared decision-making process informed by the woman's health status and longevity.
Δ If in good health and life expectancy >10 years.
◊ Individualize to current health and life expectancy; if a woman is in reasonably good health and would be a candidate for treatment, then should continue screening.Do you want to add Medilib to your home screen?