Gestational diabetes & diabetes in pregnancy

Pre‒pregnancy body mass index and Gestational Diabetes as key determinants of long‒term metabolic risk: insights from a nutritional intervention during pregnancy

Diabetes Res Clin PractPublished Prospective follow-up study of a randomised nutritional intervention trial

Authors' conclusion

GDM diagnosed using IADPSG criteria identifies women at increased long-term risk of MetS confirming its cardiovascular relevance. Early MedDiet intervention (8-12 GW) during pregnancy provides sustained metabolic benefits while pre-pregnancy BMI and GDM emerge as key modifiable determinants. Lifestyle cut-off points relevant to postpartum MetS prevention were identified.

Study context

Population
Women randomised during pregnancy, assessed six years postpartum
Participants
1,715 women
Comparison
MedDiet-based nutritional intervention during pregnancy vs control
Primary endpoint
Prevalence of metabolic syndrome (MetS)
Follow-up
Six years postpartum
Methodological detailssix years postpartum
  • Six years postpartum

Primary result

As reported in the abstract

MetS prevalence

P = 0.034

Further findings

Metabolic parameters · six years postpartum

Improved metabolic parameters with intervention

Modifiable risk factors for metabolic syndrome (MetS) (multivariate models) · six years postpartum

Elevated pre-pregnancy BMI, OR [CI]
7.912 [5.411-11.57]
Gestational Diabetes Mellitus (GDM) (IADPSG criteria), OR [CI]
2.958 [2.056-4.256]
  • Strongest MetS modifiable risk factors

Postpartum lifestyle cut-offs (ROC analysis) · six years postpartum

MedDiet ≥7.5 points and physical activity ≥307.5 MET·min/week reduced MetS risk by up to
62 %
  • Adjusted for confounders

Original publication

Pre‒pregnancy body mass index and Gestational Diabetes as key determinants of long‒term metabolic risk: insights from a nutritional intervention during pregnancy. Diabetes Res Clin Pract. Published 16 April 2026. doi:10.1016/j.diabres.2026.113264

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