ArticlemedRxiv : the preprint server for health sciences2026
Uptake and retention in HIV care among pregnant and postpartum women living with HIV under different eras of vertical transmission prevention policies in sub-Saharan Africa: a systematic review and meta-analysis.
Article in medRxiv : the preprint server for health sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: This systematic review and meta-analysis (2010-2025) examines changes in uptake and retention rates among pregnant and postpartum women with HIV in sub-Saharan Africa as countries adopted Option B+ for preventing vertical transmission. Design and data sources: We searched PubMed, Embase, Cochrane Library, Scopus, and African Index Medicus from 10/2021-05/2025 for eligible studies that measured HIV care uptake or retention for pregnant/postpartum women under prevention policies before or during Option B+. Study designs were limited to cohort, case-control, cross-sectional, or interventional studies. Exclusions were white papers, commentaries, modeling, cost-effectiveness, and qualitative studies. Data extraction and synthesis: Outcomes were (i) HIV care uptake defined as initiation of ART during pregnancy or prior to initial antenatal care (ANC) visit and (ii) proportion of women retained in HIV care as defined by study authors after ART initiation (or entry to antenatal care). These were synthesized in meta-analyses stratified by policy era (pre-Option B+ vs. Option B+) at different times for different countries. Comparisons between policy eras were made using relative risk with a 95% confidence interval. Pooled retention estimates at 6- and 12-months post ART initiation used crude relative risks (RR) with 95% confidence intervals (CI). Results: Among 4,752 articles, 82 from 17 countries were included; 60 reported HIV care uptake, 31 reported retention outcomes. Pooled HIV uptake rose by 8% (RR=1.08; 95% CI:1.06-1.09) and pooled retention in HIV care rose by 46% (RR=1.46; 95% CI:1.41-1.51) after Option B+ implementation. Pooled estimates of retention in care were 36.9% (95% CI: 13.9%, 59.9%) at 6 months post ART initiation before the implementation of Option B+ and 72.7% (95% CI: 66.3%, 79.1%) after implementation. Conclusion: HIV care uptake and retention improved after Option B+ implementation in 15 countries reporting results, but retention remains suboptimal for meeting UNAIDS 95-95-95 targets.
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