Mammogram Screening Frequency for Women Aged 40-49

During a routine health assessment, a nurse is reviewing the importance of cancer screenings with a group of women aged 40-49. It is recommended that women in this age group should begin to have screening mammograms. The frequency of these mammograms can vary based on individual risk factors, but generally, they are suggested to be performed every ____ years.

Fill in the blank with the appropriate frequency for standard recommendations.