Breast Screening Programme: should the interval between tests depend on age?

The NHS breast screening programme was introduced in 1988 following the report of a committee, which recommended that women aged 50—64 years should be screened every 3 years, but also concluded that for different age groups the optimum screening interval may not be the same and that this should have a high research priority. 1 We now describe the frequency with which cancers present between screening appointments (interval cancers) in relation to age at time of screening. Interval cancers provide ...