This may not be true operationally or physiologically as some of the more effective interventions may be in the preconceptional period [6], and, while interventions to impact stunting may be maximally effective in the first 24 months after birth [2, 7], there may be significant gains in cognitive development even thereafter.
คืบหน้าในการพัฒนาการทางสติปัญญา
This finding underscores the importance of considering the fi rst 1,000 days as illustrative and not absolute limits for action (fig. 1