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The problem
Intervention: Nutritional supplementation (iron, multiple micronutrients, fish oil, or food-based snacks) provided to pregnant and/or postpartum caregivers
Who it was tested with: Pregnant and postpartum women; some studies specifically targeting anaemic or food-insecure caregivers.
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"RCTs supplemented pregnant and/or postpartum women with iron (n = 2), multiple micronutrients (n = 2), fish oil (n = 1) and food-based snacks (n = 1)" and "Supplementation trials that did not specifically target undernourished caregivers found no effects on caregiving behaviours." The evidence shows that targeted supplementation of undernourished caregivers improves caregiving, but untargeted supplementation does not.
The review does not provide effect sizes or detailed quality assessment of included trials. RCT findings were mixed depending on whether caregivers were specifically targeted for undernutrition or food insecurity. Causality cannot be established from observational studies.
Across countries and designs
1 study · 1 country
