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When should you get a mammogram? Conflicting advice makes it hard to know
Major U.S. medical groups differ on starting age and screening interval as breast cancer guidelines weigh earlier detection against false positives and unnecessary workups.
Conflicting breast cancer screening guidelines have left women confused about when to begin routine mammograms, with the American College suggesting age 50 and the American Cancer Society recommending earlier testing.
More than 320,000 women will be diagnosed with breast cancer this year, making it the second-most common cause of cancer death in U.S. women, while nearly half of women over 40 have dense breast tissue complicating detection.
The Preventive Services Task Force recently updated guidance to start every-other-year screenings at age 40, while Robert Smith noted the American Cancer Society recommends starting at 45 because incidence in 45- to 49-year-olds resembles 50- to 54-year-olds.
Laura Esserman of the University of California, San Francisco reported that risk-based screening, tested in the WISDOM trial of nearly 46,000 women, works as well as standard yearly mammograms.
Researchers are developing AI tools to assess individual risk and screening frequency, though Robert Smith advises that "Breast screening works best when it's done regularly" regardless of the chosen age or interval.