Visible Pregnancy, Invisible HIV: How Social Norms Shape Adolescents Protection Choice in Kenya and Nigeria.

Adolescents in sub-Saharan Africa continue to face a high burden of HIV, with adolescent girls and young women disproportionately affected. Yet despite major investments in HIV education, testing, condoms, and biomedical prevention such as PrEP, reductions in new infections remain slow in countries like Kenya and Nigeria. This viewpoint argues that current prevention strategies overlook the social realities that shape adolescent decision-making. Drawing on Bicchieri's Social Norms Theory and field experience, we highlight how visible sanctions tied to pregnancy, reputation, and respectability guide protection choices more than biomedical logic. For many adolescents, discreet hormonal contraception allows girls to avoid public shame, while boys often avoid condoms because being seen purchasing them signals sexual activity and attracts moral judgment. These gendered pressures reduce dual protection even when knowledge and access exist, and fragmented HIV and reproductive health services reinforce the divide. Health systems often deepen this pattern when adolescents feel judged or questioned by providers. Effective HIV prevention requires confronting these normative pressures and integrating youth-friendly reproductive and HIV services. Prevention becomes stronger when it aligns with how adolescents interpret risk, dignity, and responsibility within their social environments rather than focusing on biomedical solutions alone.