The impact of maternal metabolic flexibility during gestation on infant adiposity in individuals with obesity
Open Access
- 1 July 2026
- journal article
- Published by American Physiological Society in American Journal of Physiology-Endocrinology and Metabolism
- Vol. 331 (1) , E14-E19
Abstract
This study revealed that maternal metabolic flexibility—the ability to switch between fuel sources depending on availability—and greater reliance on lipid oxidation during fasting in late pregnancy were linked to higher infant birth weight and adiposity, independent of gestational weight gain. These findings suggest that maternal substrate oxidation influences fetal nutrient supply and, consequently, growth, thereby playing a key role in shaping neonatal body composition and long-term health outcomes.Keywords
Funding Information
- National Institutes of Health (1R01DK09917)
- National Institutes of Health (P30DK072476)
- American Heart Association (25POST1365227)
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