Abstract
In South Africa, at least 7.5million people (age ≥15years) are living with Human Immunodeficiency Virus (HIV). In 2020, 220,000 new infections occurred, approximately one-third of which were among cisgender adolescent girls and women (age ≥15years). The perspectives of pregnant adolescent girls and young women (AGYW) as key, targeted end-users of pre-exposure prophylaxis (PrEP) in this setting are not well known. We purposively recruited participants enrolled in an ongoing cohort study at an urban antenatal clinic in Cape Town, South Africa for in-depth interviews between July-September 2020. We restricted our analysis to pregnant AGYW (age: 16-25years) who initiated daily oral PrEP (Tenofovir/Emtricitabine) antenatally and self-reported either high PrEP persistence (≥25days in the past 30days and no missed PrEP collection), or low PrEP persistence and/or discontinuation (missing >5days in the last 30days or missed PrEP collection). The findings were organized thematically, per the adapted Health Behavior Model (2000), using Nvivo-v.1.5. We interviewed 18 AGYW (mean age = 22years), at a mean of 14weeks postpartum. Higher self-esteem and high-quality study provider-client relationships, including empathic psychosocial support, facilitated PrEP continuation. Reported barriers included unstable social structure characteristics (i.e., financial hardship) and individual factors (i.e., unintended pregnancy, parental rejection, and inadequate peer- and [non-cohabiting] partner support). Participants self-perceived a need for PrEP, feeling susceptible to non-consensual, forced sex, or considering partners' (presumed) sexual risk-taking. Limited community awareness regarding PrEP availability and/or perceived complexity in navigating health system access to PrEP, impede continuation. PrEP-focused healthcare access pathways for pregnant and postpartum AGYW need to be simplified. Further research is needed on health system determinants (i.e., structural barriers, provider-client interactions, and related outcomes) of oral PrEP utilization. In 2022, South Africa announced regulatory approval of long-acting PrEP options (i.e., the dapivirine ring for non-pregnant women and injectable cabotegravir, respectively); these may mitigate implementation barriers reported in this study. However, the safety and efficacy of long-acting PrEP (e.g., injectables, implants) among pregnant or breastfeeding women, specifically, remains to be confirmed in this setting.
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