Effectiveness of layperson-based interventions in promoting exclusive breastfeeding: A systematic review and meta-analysis.

Objective: The objective of this study is to determine the effectiveness of layperson-based interventions in sustaining exclusive breastfeeding and to identify the optimal characteristics of such layperson-led strategies for promoting exclusive breastfeeding.

Methods: A systematic review and meta-analysis were conducted using a comprehensive search in seven electronic databases from their inception to January 2024. Two independent reviewers assessed the risk of bias using version 2 of the Cochrane Risk of Bias tool for randomized trials.