Comparison 1. 75 g OGTT versus 100 g OGTT.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Diagnosis of gestational diabetes	1	248	Risk Ratio (M‐H, Fixed, 95% CI)	2.55 [0.96, 6.75]
2 Plasma glucose (mmol/L)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
2.1 At 1 hour	1	248	Mean Difference (IV, Fixed, 95% CI)	‐0.11 [‐0.44, 0.22]
2.2 At 2 hours	1	248	Mean Difference (IV, Fixed, 95% CI)	‐0.31 [‐0.64, 0.02]
2.3 At 3 hours	1	248	Mean Difference (IV, Fixed, 95% CI)	‐1.08 [‐1.47, ‐0.69]