Introduction: The term unintended injury is defined as that injury not caused in a premeditated manner; being one of the most frequent causes of death among children of all ages. Material and Methods : A descriptive, cross-sectional analysis and retrospective data collection study was conducted in the emergency database of a third level pediatric hospital from the Dominican Republic, with the objective of Determine the prevalence of unintended injuries. Results : The total prevalence of unintended injuries was 12.1%. The most frequent sex was male with 61.6%, most frequent age range 1-14 years with 29.2%. According to the diagnosis, trauma is in the first place with 94.1%, highlighting that this is the main diagnosis in order of frequency in both sexes. Conclusions: The total prevalence of unintended injuries was 12.1%. The most frequent sex was male. In all unintended injuries identified, the most affected age range was 1-4 years.