Sex and Sexuality Communication in African Families in South Africa: The Dynamics of Openness and Closedness

Adolescents in South Africa are increasingly exposed to unregulated sex-related content through peers, social media and digital platforms. Such exposure introduces behavioral risks related to sexual health, identity formation and decision-making, mainly when trusted adult guidance is limited. Open dialogue about sex and sexuality within many African families is continuously constrained by cultural and religious norms emphasizing respect, hierarchy and moral authority. These norms produce patterns of silence, selective disclosure and guarded communication, that create competitive information environment in which peer and media narratives may displace family influence. Focus of the Article This formative, audience-oriented study aligns with core social marketing principles by examining family communication as a precursor to behavioral possibility not solely focusing on awareness outcomes. Grounded in Communication Privacy Management (CPM) theory, this research explores how African parents and adolescents manage privacy rules, silence, secrecy and peer reliance function. It positions families as strategic partners in shaping meaning, trust and readiness for future sex-related health decision-making. Research Questions 1. What influences Black South African parents and adolescents to discuss issues of sex and sexuality and what privacy boundary rules do they establish and negotiate? 2. How do parents and adolescents envision more effective and culturally acceptable sex and sexuality communication? Importance to Social Marketing This research contributes to social marketing scholarship by reframing family communication as a relational exchange process that shapes trust, message acceptance and behavioral readiness. Without relying on fear-based or purely informational messaging, findings suggest that interventions should begin by transforming how sex and sexuality are discussed within families. By supporting privacy negotiation, gradual disclosure and value-aligned communication strategies, social marketing initiatives can strengthen culturally responsive approaches to adolescent sexual health while respecting religious beliefs, family authority and individual agency. Methods A qualitative design was employed, drawing on in-depth interviews with Black African parents of adolescents and young adults in South Africa. Data were thematically analyzed using CPM theory to examine information ownership, disclosure boundaries, communication practices and boundary turbulence. Results Findings reveal that both parents and adolescents desire meaningful engagement on sex and sexuality. However, disclosure is strategically regulated through culturally informed privacy rules. Adolescents often adopt silence or partial disclosure to preserve respect and relational harmony, while parents assert authority through restricted information sharing. These dynamics produce boundary turbulence as adolescents seek autonomy and external knowledge sources while parents maintain claims of information ownership. Recommendations for Research This study recommends that social marketing interventions prioritize family-based communication strategies that normalize gradual disclosure, clarify communication roles and support collaborative privacy negotiation. Programs should be culturally and religiously responsive, leverage trust-building mechanisms and equip parents with skills to engage adolescents in ways that reduce fear, stigma and moral judgment while strengthening long-term behavioral readiness.