This study measured the effects of a multipronged 12-month intervention in Kaduna State that targeted complementary feeding (CF) social and behavior change communications to both fathers and mothers, showing improvements in parents’ CF practices and knowledge, as well as fathers’ support for CF.&

Complementary feeding (CF) contributes to child growth and development, but few CF programs are delivered at scale. Alive & Thrive (A&T) addressed this in Bangladesh through intensified interpersonal counseling (IPC), mass media (MM), and community mobilization (CM).

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.

This article demonstrated that recipients in the Phase I intensive intervention, which provided interpersonal counseling, community mobilization, and mass media campaigns, mobilized additional resources to improve diets.

Interaction within mothers’ social networks, reinforced by promoting positive social norms for appropriate behaviors, can affect IYCF practices, according to this study in Bangladesh.

In Bangladesh and Viet Nam between 2009–2014, Alive & Thrive (A&T) worked to improve breastfeeding practices through intensified interpersonal counseling (IPC), mass media (MM), and community mobilization (CM) intervention components delivered at scale in the context of policy advocacy (P