However, the exact age depends on the professional organization’s guidelines your healthcare provider chooses to follow. For example, the American Cancer Society (ACS) recommends breast cancer screening beginning at age 45 with the option to start at age 40, whereas the Preventative Services Task Force (USPSTF) recommends mammography beginning at age 50.
This article explains mammogram recommendations for people at average and high risk for breast cancer.
Average Risk of Breast Cancer
The average risk of breast cancer means you have a typical (rather than high) chance of developing the disease.
Breast cancer is among the most common cancers in women, second only to skin cancer. The median age for breast cancer diagnosis is 62, with only a small percentage of people diagnosed before age 45. About 1 in 8 people with breasts will develop breast cancer.
Professional Organizations’ Guidelines
Organizations have various recommendations for when to begin routine mammography screening for people at average risk of developing breast cancer.
High Risk of Breast Cancer
If you are at higher risk of developing breast cancer, you may require mammography starting at a younger age and more frequently.
Risk Factors
The main risk factors for breast cancer are having breasts and advancing age. Beyond that, some things can place people at additional risk, including:
Family history of breast, ovarian, pancreatic, or prostate cancers Deleterious gene mutation Prior abnormal breast biopsy Early onset of menarche (start of menstruation) Never having given birth Long time between the first period and first pregnancy Estrogen and progestin hormone therapy Never having breastfed Higher body mass index (BMI) Alcohol use Smoking Dense breasts Prior radiation exposure
Professional Organizations’ Guidelines
Screening guidelines are generally more conservative if there are additional risk factors for developing breast cancer. The following organizations recommend earlier screening for those with risk factors:
ACS recommends beginning at age 30The USPSTF recommends starting screening in your 40sAAFP suggests screenings beginning in your 40s
Other organizations are vaguer, and some do not recommend different screening approaches. The ACOG suggests consultation with a healthcare provider with expertise in gene mutations, and the ACP does not offer altered recommendations.
When to Get Screened Early
Not all breast cancer shows symptoms—especially in the early stages, which is why screening is important. However, sometimes people detect breast cancer by noting specific changes in their breasts.
Some signs that could indicate breast cancer include:
A lump in the breast or armpit Breast swelling Breast skin dimpling Breast irritation Rash or flaking skin on the breast or nipple Nipple inversion Change in breast size or shape Breast pain
If you experience these symptoms, make an appointment with a healthcare provider for screening and diagnosis.
Other Breast Screening Tests
A mammogram is the standard test for routine screening, but there are other screening tests to detect breast cancer. Other diagnostic tools for detecting breast cancer include:
Breast ultrasound Breast magnetic resonance imaging (MRI) Breast biopsy Staging (tests that determine how advanced cancer is)
Mammography is typically recommended for screening purposes for most people. If you have abnormal mammogram results, a healthcare provider may recommend one or more further tests, like those mentioned above.
If you have symptoms of breast cancer or have certain risk factors, a healthcare provider may recommend the above tests in addition to a mammogram.
Summary
Different organizations have different recommendations for the timing and frequency of mammogram screenings. For people at average risk of developing breast cancer, screening recommendations range from 40 to 50 and repeat the screening test annually or biennially (every other year) after that age. For those at higher risk, some organizations recommend starting as early as 30, while others follow the same guidelines for average-risk individuals.
A Word From Verywell
A lot of factors go into a decision about when to begin mammogram screenings for breast cancer. Like other cancer screenings, mammograms are essential for detecting cancer early. But starting too early or having them too frequently can result in overdiagnosis and overtreatment. Therefore, it’s best to consult with a healthcare provider familiar with your history for when it’s best to start your mammogram screenings.
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