2026-06-27http://hdl.handle.net/123456789/90066Although there is growing evidence on the role of preconception nutrition for birth outcomes, very few studies have evaluated the long-term effects of nutrition interventions during the preconception period on offspring cognitive outcomes.Open Accesspreconceptionchild nutritionrandomized controlled trialssupplementsnutritiontrace elementsmotherschildrenironmicronutrientschild growthJournal Article