Table 1.
The prevalence of GDM in different cities and regions of China.
| City | Prevalence | Year | Diagnosis Criteria |
|---|---|---|---|
| Tianjin | 2.3% | 1999 | WHO 1999 1 |
| Tianjin | 6.8% | 2008 | WHO 1999 |
| Tianjin | 8.1% | 2012 | WHO 1999 |
| Xinjiang | 5.12% | 2013 | IADPSG 2011 2 |
| Beijing | 19.7% | 2013 | IADPSG 2011 |
| Qingdao, Shandong | 21.8% | 2016 | IADPSG 2011 |
| Linyi, Shandong | 21.82% | 2016 | IADPSG 2011 |
| Guangdong | 22.94% | 2017 | IADPSG 2011 |
| Xiamen, Fujian | 17.6% | 2018 | IADPSG 2011 |
| Tongzhou, Beijing | 24.24% | 2018 | IADPSG 2011 |
| Chengdu, Sichuan | 18.3% | 2019 | IADPSG 2011 |
1 WHO 1999: GDM is diagnosed if a fasting glucose level of 75 g OGTT ≥ 7.0 mmol/L or a 2 h plasma glucose level of ≥11.1 mmol/L [20]. 2 IADPSG 2011: GDM is diagnosed if any of the 75 g OGTT plasma glucose values during 24–28 gestational weeks meets or exceeds the following cutoff values: 5.1 mmol/L at fasting; 10.0 mmol/L at 1 h; and 8.5 mmol/L at 2 h [14].