ArticleFrontiers in nutrition2026
Association between the dietary obesity-prevention score and risk of gestational diabetes mellitus: an exploratory subgroup analysis.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Gestational diabetes mellitus (GDM) presents significant risks to maternal and offspring health. Modifiable factors like dietary quality are important for prevention. The Dietary Obesity-Prevention Score (DOS) is a validated tool for assessing obesity-related dietary quality. Nevertheless, its association with GDM remain unclear. This study aimed to examine the relationship between DOS and GDM risk. Method: This prospective cohort included 1,894 pregnant women across nine medical centers in China. Dietary intake was assessed by 3-day 24-h recalls. The DOS was derived from 6 food groups. Multivariable binary logistic regression, component analysis, subgroup analysis, and restricted cubic splines (RCS) were used to evaluate associations. Results: In the overall population, DOS showed no significant association with GDM (OR = 0.944, 95% CI: 0.879-1.015). The interaction between DOS and energy intake status was not significant ( Conclusion: In pregnant women with inadequate energy intake, higher dietary quality was associated with reduced GDM risk. Fruits may play a role, although these findings are exploratory and require confirmation in independent cohorts.
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