Gestational diabetes & diabetes in pregnancy
The effect of high‐fibre diets on glycaemic control in women with diabetes in pregnancy: A systematic review and meta‐analysis
Authors' conclusion
High-quality dietary intervention studies in pregnancy are lacking. Our results suggest that high-fibre diets improve fasting and postprandial glycaemia and reduce the likelihood of requiring insulin in women with diabetes in pregnancy.
Study context
- Population
- Pregnant women with diabetes
- Participants
- 1,061 women20 trials
- Comparison
- High-fibre diet or fibre supplementation vs control
- Outcome
- Markers of glycaemic control (FBG, 2-h PBG, insulin requirement), higher fibre intake
Methodological detailsStudies mostly at high risk of bias due to lack of blinding (Cochrane Risk of Bias Tool v.2.0)
- Studies mostly at high risk of bias due to lack of blinding (Cochrane Risk of Bias Tool v.2.0)
Pooled result
As reported in the abstract
Higher fibre intake associated with reduced fasting blood glucose (FBG): MD (95% CI), p
−0.35 mmol/L
−0.53, −0.18p < 0.01
Higher fibre intake associated with reduced 2-h postprandial blood glucose (PBG): MD (95% CI), p
−0.90 mmol/L
−1.39, −0.40p < 0.01
Higher fibre intake associated with reduced requirement for insulin: OR (95% CI), p
0.24
0.13, 0.46p < 0.01
Further pooled results
Sources of heterogeneity
- Intervention type (DASH diet, low glycaemic index, supplement) for PBG
- P < 0.01
- Study duration for FBG (not for PBG)
- P = 0.002
Original publication
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