Gestational diabetes mellitus (GDM) is a common condition during pregnancy that increases the risk of adverse maternal and birth outcomes. Effective dietary management is essential, but practical and structured tools to support nutrition counselling in routine care are limited.

This study aims to evaluate the effectiveness of the M-FIGO Nutrition Checklist and Module, a culturally adapted nutrition tool developed for use in Malaysia, among women diagnosed with GDM.

In this randomized controlled trial, pregnant women with GDM attending selected maternal and child health clinics were assigned to either an intervention group receiving the M-FIGO Nutrition Checklist and Module alongside standard care, or a control group receiving standard antenatal care alone. The intervention focuses on improving diet quality, including appropriate carbohydrate choices and portion sizes.

The primary outcome is gestational weight gain, while secondary outcomes include blood glucose control and birth outcomes. The findings of this study will provide evidence on the effectiveness of a structured nutrition intervention in improving maternal and neonatal health among women with GDM.

Inclusion Criteria:

• Pregnant women diagnosed with gestational diabetes mellitus (GDM)
• Attending selected maternal and child health clinics in Malaysia
• Able to communicate in Bahasa Malaysia
• Willing to adhere to study procedures

Exclusion Criteria:

• Pre-existing diabetes mellitus
• Gestational diabetes mellitus requiring insulin therapy
• Use of metformin therapy
• Steroid-dependent medical conditions
• Known psychiatric illness

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