Research on Potential Biomarkers of Prediabetes and Diabetes Based on MALDI-TOF MS Platform.

Inclusion Criteria

• •Non pregnant people: the remaining fasting serum/plasma and urine samples of prediabetes/diabetes patients (prediabetes: IFG: FPG 6.1-6.9mmol/L, Blood glucose 2h after meal\<7.8mmol/L（WHO）; IGT: FPG\<7.0mmol/L, Blood glucose 2h after meal 7.8-11.1mmol/L（WHO）; diabetes: Typical symptoms of diabetes, FPG \>= 7.0mmol/L or 75g OGTT 2h blood glucose \>= 11.1mmol/L).
• •Pregnant people: the remaining fasting serum/plasma and urine samples of gestational diabetes patients (75g OGTT test FPG \>= 5.1mmol/L or 1h blood glucose \>= 10.0mmol/L or 2h blood glucose \>= 8.5mmol/L（IADPSG; ADA)).
• •Non pregnant people: the remaining fasting serum/plasma and urine samples of normal population for glucose tolerance test (FPG 3.9-6.1mmol/L,75g OGTT test 1h blood glucose 6.7-11.1mmol/L,75g OGTT test 2h blood glucose 3.6-7.8mmol/L).
• •Pregnant people: the remaining fasting serum/plasma and urine samples of people who do not meet the diagnostic criteria for gestational diabetes (3.9\<=75g OGTT test FPG\<5.1mmol/L,6.7 \<= 1h blood glucose\<10.0mmol/L,3.6\<=2h blood glucose\<8.5mmol/L).
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