Abstract We report 20 infants aged between 1 month and 6 months found to have subdural bleeding and also multiple unexplained fractures in a pattern similar to that described earlier as temporary brittle bone disease. Child abuse seemed unlikely as a cause of the fractures as in no case was there clinical evidence of injury commensurate with the fracturing, as some patients had fractures while in hospital and as metaphyseal lesions, when present, were often symmetrical in distribution. Abuse seemed unlikely to have been the cause of the subdural bleeding in several patients; three had clear histories of accidental injury and five had evidence that the initial bleeding was likely to have taken place at birth. Abuse also seemed unlikely as th...