 - For the RT-CGM Group, the RT-CGM, HGM, and pump data if subject uses an insulin pump will be reviewed and changes will be made to diabetes management as needed. Subjectsparents will be taught to use the protocol-developed instructions for changes to diabetes management to be used in real time based on RT-CGM and HGM data. Instructions for downloading the RT-CGM and HGM will be provided to subjects with a home computer. 