<qa>  What is the definition of pre-diabetes?1. pre-diabetes 1. defined according to the ADA guideline prediabetes definition FPG 100 mgdL 5.6 mmolL to 125 mgdL 6.9 mmolL IFG or 2-h PG in the 75-g OGTT 140 mgdL 7.8 mmolL to 199 mgdL 11.0 mmolL IGT or A1C 5.7-6.4 39-46 mmolmol 