Despite increasing evidence about the value and importance of breastfeeding, less than half of the world's infants and young children (aged 0–36 months) are breastfed as recommended. This Series paper examines the social, political, and economic reasons for this problem.

This article demonstrates that exposure to interventions matters for impact, but the combination of behavior change interventions and number of interpersonal counseling contacts required to support behavior change in infant and young child feeding are context-specific.

Seven posters are placed in health facilities to reinforce messages received during counseling.