Gestational Diabetes (GDM)Nutrition & Diet
Resumen de Investigación
Mediterranean diet lowers gestational diabetes risk in pregnant women
Moderate confidence
Some Concerns bias
Última actualización 15 de junio de 2026Conclusión Clave:
This randomized trial tested an early Mediterranean diet intervention during pregnancy. Women assigned to extra virgin olive oil and pistachios had fewer gestational diabetes diagnoses and better several maternal and neonatal outcomes than women given standard low-fat diet advice.
Estudio de un Vistazo
Qué se estudió
Mediterranean diet supplementation for gestational diabetes prevention in pregnant women.
Participantes
Young Adult (19–39), Middle Aged (40-64)
Female
Pregnant Women
Intervención
Mediterranean diet
Resultados
Gestational diabetes mellitus incidence, Fasting blood sugar (FBS), HbA1c, Insulin resistance, Gestational weight gain, Urinary tract infection rate, Emergency cesarean section rate, Perineal trauma, Insulin-treated gestational diabetes
Financiamiento
No Patrocinado por la Industria
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Efectos Principales
↓ Gestational diabetes incidence: 17.1% in the intervention group vs 23.4% in control
↓ Fasting glucose, HbA1c, and HOMA-IR at 24-28 gestational weeks
↓ Gestational weight gain and selected maternal/neonatal events
Resumen de Evidencia
| Intervention | Outcome | Measured Change | Study Effect |
|---|---|---|---|
 Mediterranean diet (Diet and Nutrition) |  Emergency cesarean section rate (Clinical Outcomes) | Decrease | Limited |
Mediterranean diet (Diet and Nutrition) |  Fasting blood sugar (FBS) (Glycemic Control) | Decrease | Mixed |
Mediterranean diet (Diet and Nutrition) | Gestational diabetes mellitus incidence (Clinical Outcomes) | Decrease | Strong |
Mediterranean diet (Diet and Nutrition) |  Gestational weight gain (Weight & Anthropometrics) | Decrease | Mixed |
Mediterranean diet (Diet and Nutrition) | HbA1c (Glycemic Control) | Decrease | Mixed |
Mediterranean diet (Diet and Nutrition) |  Insulin resistance (Metabolic Health) | Decrease | Limited |
Mediterranean diet (Diet and Nutrition) | Insulin-treated gestational diabetes (Clinical Outcomes) | Decrease | Mixed |
Mediterranean diet (Diet and Nutrition) | Perineal trauma (Clinical Outcomes) | Decrease | Limited |
Mediterranean diet (Diet and Nutrition) |  Urinary tract infection rate (Safety) | Decrease | Limited |
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Tener en Cuenta
- Methods details were limited in the provided excerpts. Participants were unselected pregnant women from a single study context, which may limit generalizability. The control diet was an active dietary model rather than no intervention.
Entre Líneas
- Methods details were limited in the provided excerpts. Participants were unselected pregnant women from a single study context, which may limit generalizability. The control diet was an active dietary model rather than no intervention.
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Connected Evidence
Discover how this study fits into the broader diabetes evidence landscape.
This study contributes to evidence on Mediterranean Diets and Diabetes Incidence and Prevention.
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Explore in Evidence ArchiveThis study contributes to the evidence on the following intervention–outcome relationships.
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