Compare your options. Compare Option 1 Start mammograms at age 40 Start mammograms at age Compare Option 2 Start mammograms at age 40 Start mammograms at age Start mammograms at age 40 Start mammograms at age 40 At age You go to your doctor if you notice any changes in your breasts. You may get a mammogram every 1 to 2 years, depending on what you and your doctor decide. If you have an abnormal test result, you may have more tests—such as another mammogram, a breast ultrasound, or a biopsy—to make sure you don't have cancer.
Earlier screening may help you find breast cancer sooner. Each time you have a mammogram, there is a risk that the test may: Miss some breast cancers.
Show an abnormal result when it turns out there wasn't any cancer called a false-positive. Find cancers that will never cause a problem called overdiagnosis. By starting mammograms earlier, you increase your chances of getting a false-positive test.
By starting mammograms earlier, you increase your chances of finding a cancer that may never cause a problem. You are briefly exposed to very small amounts of radiation each time you have a mammogram. Start mammograms at age 50 Start mammograms at age 50 Until age You go to your doctor if you notice any changes in your breasts. At age 50, you start getting mammograms.
You may get one every 2 to 3 years, depending on what you and your doctor decide. By waiting until age 50 to start having mammograms: You avoid the cost and inconvenience of getting a mammogram during your 40s. You limit the number of mammograms that may result in a false-positive test.
You limit the number of mammograms that may find a cancer that may never cause a problem. You limit your exposure to radiation. There is a small risk that a cancer that develops before age 50 may not be found early. You could miss the chance to start treatment early when it has a higher chance of success.
Personal stories about when to start having mammograms These stories are based on information gathered from health professionals and consumers. What matters most to you? Reasons to start mammograms at age 40 or anytime in your 40s Reasons to start mammograms at age I'm worried that I might get breast cancer at an earlier age.
My other important reasons: My other important reasons:. Where are you leaning now? Start mammograms at age 40 or anytime in your 40s Start mammograms at age What else do you need to make your decision? Check the facts. Yes That's right. No Sorry, that's not right. I'm not sure It may help to go back and read "Get the Facts. Since the risk for breast cancer goes up as you get older, women ages 50 to 70 are more likely to benefit from having mammograms than women who are in their 40s.
Yes Sorry, that's not right. No That's right. Decide what's next. Yes No. I'm ready to take action. I want to discuss the options with others. I want to learn more about my options. Your Summary. Your decision Next steps. Your knowledge of the facts Key concepts that you understood. Key concepts that may need review.
Getting ready to act Patient choices. What matters to you. Print Summary. Credits and References Credits. Recommendations on screening for breast cancer in women aged 40—74 years who are not at increased risk for breast cancer. DOI: Accessed December 20, Canadian Cancer Society Screening for breast cancer. Canadian Cancer Society. Accessed July 1, A systematic assessment of benefits and risks to guide breast cancer screening decisions.
JAMA, 13 : — Accessed January 16, Get the facts Compare your options What matters most to you? Get the Facts Your options Start having screening mammograms at age 40 or anytime in your 40s. Compare your options Start mammograms at age 40 Start mammograms at age 50 What is usually involved? At age You go to your doctor if you notice any changes in your breasts. Until age You go to your doctor if you notice any changes in your breasts.
Check the facts 1. Does the risk of breast cancer go up as you get older? Yes No I'm not sure. That's right. Can having mammograms help save lives?
Decide what's next 1. Do you understand the options available to you? Products and services. With differing mammogram guidelines, I'm not sure when to begin mammogram screening. What does Mayo Clinic recommend? Answer From Sandhya Pruthi, M. With Sandhya Pruthi, M. Screening mammograms at Mayo Clinic. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information. Please try again. Something went wrong on our side, please try again.
Show references AskMayoExpert. Breast cancer screening and options for supplemental screening in the dense breast adult. Mayo Clinic; Siu AL, et al. Screening for breast cancer: U. Preventive Services Task Force recommendation statement. Annals of Internal Medicine. Smith RA, et al. Cancer screening in the United States, A review of current American Cancer Society guidelines and current issues in cancer screening. Breast cancer screening and diagnosis.
National Comprehensive Cancer Network. Accessed May 4, Hellquist NM, et al. Effectiveness of population-based service screening with mammography for women ages 40 to 49 years.
Bleyer A, et al. Effect of three decades of screening mammography on breast-cancer incidence. The New England Journal of Medicine. See also Alternative and complementary medicine for metastatic breast cancer Atypical hyperplasia of the breast Breast cancer Breast cancer chemoprevention Breast Cancer Education Tool Common questions about breast cancer treatment Breast cancer radiation: Can it cause dry skin?
Breast implants: Do they interfere with mammograms? Dense breast tissue Dragon Boats and Breast Cancer Enlarged breasts in men gynecomastia Fibroadenoma Fibrocystic breast changes: Linked to breast cancer? However, per the most recent statistics by the American Cancer Society, 4 percent of breast cancers will be diagnosed in women younger than age In this latest study, Lee and colleagues evaluated three specific risk factors: a family history considered a first-degree relative diagnosed with breast cancer, regardless of age , a personal history of breast cancer, or dense breasts.
But experts not associated with the study have advised caution when considering mammography at age 30, particularly on the basis of dense breasts. Dense breasts are common in younger women. Research estimates 74 percent of women ages 40 to 49 have dense breasts compared with just 36 percent of women in their 70s. Most women aged under 40 have dense breast tissue. Breast density in mammography refers to the amount of parenchymal tissue relative to the amount of fatty tissue in a breast.
Parenchymal tissue looks white on mammography — and so are cancerous masses. Cancers can therefore be harder to detect in those with dense breasts.
Diana Miglioretti, PhD, a professor of biostatistics at the UC Davis School of Medicine, says that given most women in their 30s have dense breast tissue, the benefits of mammography for women without a personal history of breast cancer may not outweigh the risks.
Onalisa Winblad, a radiologist at the University of Kansas Cancer Center, says other forms of assessment may be helpful for women under At this time, no country or organization has guidelines recommending mammography for women under 40, except in the case of having a personal history of breast cancer or other risk factors that would put them at very high risk.
She recommends that women who are concerned about their breast cancer risk should speak with their physician and conduct their own breast exams regularly. A recent study suggests mammography beginning at age 30 may be beneficial for women with a personal history of breast cancer, a family history, or dense breasts. But experts say mammography may not be effective for women in this age group, and other assessments would be more beneficial.
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