How are the ACOG guidelines for breast cancer screening categorized?

Updated: Feb 04, 2021
  • Author: Pavani Chalasani, MD, MPH; Chief Editor: John V Kiluk, MD, FACS  more...
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The ACOG released guidelines for breast cancer risk assessment and screening in average-risk women in 2017. [175] For women at average risk, ACOG categorizes its recommendations as follows:

  • Level A – Based on good and consistent scientific evidence
  • Level B – Based on limited or inconsistent scientific evidence
  • Level C – Based primarily on consensus and expert opinion

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