Table 1 Summary of PICOS criteria for the inclusion of studies
Parameter | Description |
|---|---|
Population | Preconception and/or pregnant women at higher risk of GDM, identified using risk factors including but not limited to overweight/obesity, raised lipids, elevated glucose concentration, insulin resistance, increased maternal age, high-risk ethnicity, previous macrosomic infant, previous GDM, PCOS, metabolic syndrome, hypertension, family history of GDM or diabetes, use of a risk tool |
Intervention | Behavioural (diet/ PA/ diet and PA) and/or supplements and/or pharmacological intervention |
Comparison | No intervention, standard care or placebo |
Outcome | GDM as a primary or secondary outcome |
Study design | Randomised controlled trials |