Younger women with a family history of breast cancer should receive annual screenings to pick up the disease earlier, a charity says.
Breast Cancer Now funded a study which found cancers were detected sooner when 35 to 39-year-olds at risk had annual mammograms.
NHS screening often starts at the age of 40 for women with a family history.
Baroness Delyth Morgan, the charity’s chief executive, said earlier tests could be “an enormous breakthrough”.
The study, carried out by researchers