<![CDATA[Infant birth weight is an important indicator of neonatal health status. Low maternal nutritional intake during pregnancy, especially in aterm pregnancy, has the potential to increase the risk of low birth weight (LBW). This study aims to determine the relationship between maternal nutritional intake during pregnancy, both macronutrients (carbohydrates, protein, fat) and micronutrients (vitamins and minerals) with infant birth weight. Quantitative research with a cross-sectional design on 59 postpartum mothers with a history of aterm pregnancy at Puskesmas Anak Air Padang City (January-May 2025). Data were collected through questionnaires and SQ-FFQ, analyzed univariately and bivariately using chi- square test (95% CI; p<0.05). Results showed that most babies (81.4%) were born with normal weight and there was a significant relationship between birth weight and There was a significant relationship between birth weight and intake of carbohydrates (p=0.011), protein (p=0.002), fat (p=0.008), vitamins (p=0.011), and minerals (p=0.016). The quality of pregnant women's nutritional intake, both macro and micronutrients, has a significant effect on infant birth weight. Nutrition education needs to be improved to prevent LBW]]>
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