Gestational diabetes & diabetes in pregnancy
Postpartum Dietary Interventions and Cardiometabolic Profiles After Pregnancies Complicated by Gestational Diabetes Mellitus: A Systematic Review and Meta-analysis
Authors' conclusion
Postpartum dietary interventions yield modest but statistically significant improvements in key cardiometabolic indicators among women with prior GDM without overt disease, highlighting the postpartum period as an important window to optimize intermediate cardiometabolic markers.
Study context
- Population
- Women with prior gestational diabetes mellitus (GDM), aged 18–45 years, postpartum19 randomized controlled trials (RCTs)
- Comparison
- Postnatal dietary interventions vs standard care
- Outcome
- Intermediate cardiometabolic surrogate markers (BMI, waist circumference, weight, fasting and 2-h blood glucose, HOMA of insulin resistance (HOMA-IR), hemoglobin A1c (HbA1c), systolic and diastolic blood pressure, lipids, inflammatory biomarkers)
- Follow-up
- 12 weeks-3 years
Methodological detailsrandom-effects model, Six databases searched 1 January 1980-31 December 2025; 21 RCTs met inclusion criteria
- Random-effects model
- Six databases searched 1 January 1980-31 December 2025; 21 RCTs met inclusion criteria
Pooled result
As reported in the abstract
Cardiometabolic markers
Each group vs standard careMD (BMI), kg/m2 (95% CI)
Postnatal dietary interventions
−0.46(−0.71 to −0.20)
Each group vs standard careMD (waist circumference), cm (95% CI)
Postnatal dietary interventions
−1.47(−2.39 to −0.55)
Each group vs standard careMD (weight), kg (95% CI)
Postnatal dietary interventions
−0.73(−1.19 to −0.27)
Each group vs standard careMD (HOMA-IR) (95% CI)
Postnatal dietary interventions
−0.55(−1.04 to −0.06)
Each group vs standard careMD (HbA1c), % (95% CI)
Postnatal dietary interventions
−0.24(−0.46 to −0.02)
Original publication
Postpartum Dietary Interventions and Cardiometabolic Profiles After Pregnancies Complicated by Gestational Diabetes Mellitus: A Systematic Review and Meta-analysis. Diabetes Care. Published 5 June 2026. doi:10.
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