HIV-1 and HIV-2 prevalence, risk factors and birth outcomes among pregnant women in Bissau, Guinea-Bissau: a retrospective cross-sectional hospital study

Dlama Nggida Rasmussen, Noel Vieira, Bo Langhoff Hønge, David da Silva Té, Sanne Jespersen, Morten Bjerregaard-Andersen, Inés Oliveira, Alcino Furtado, Magarida Alfredo Gomes, Morten Sodemann, Christian Wejse, Holger Werner Unger

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    Abstract

    The human immunodeficiency virus (HIV) remains a leading cause of maternal morbidity and mortality in Sub-Saharan Africa. Prevention of mother-to-child transmission (PMTCT) has proven an effective strategy to end paediatric infections and ensure HIV-infected mothers access treatment. Based on cross-sectional data collected from June 2008 to May 2013, we assessed changes in HIV prevalence, risk factors for HIV, provision of PMTCT antiretroviral treatment (ART), and the association between HIV infection, birth outcomes and maternal characteristics at the Simão Mendes National Hospital, Guinea-Bissau’s largest maternity ward. Among 24,107 women, the HIV prevalence was 3.3% for HIV-1, 0.8% for HIV-2 and 0.9% for HIV-1/2. A significant decline in HIV-1, HIV-2, and HIV-1/2 prevalence was observed over time. HIV infection was associated with age and ethnicity. A total of 85% of HIV-infected women received ART as part of PMTCT, yet overall treatment coverage during labour and delivery declined significantly for both mothers and infants. Twenty-two percent of infants did not receive treatment, and 67% of HIV-2-infected mothers and 77% of their infants received ineffective non-nucleoside reverse transcriptase inhibitors for PMTCT. Maternal HIV was associated with low birth weight but not stillbirth. Inadequate continuity of care and ART coverage present challenges to optimal PMTCT in Guinea-Bissau.

    Original languageEnglish
    Article number12174
    Pages (from-to)1-13
    Number of pages13
    JournalScientific Reports
    Volume10
    DOIs
    Publication statusPublished - 22 Jul 2020

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    Rasmussen, D. N., Vieira, N., Hønge, B. L., da Silva Té, D., Jespersen, S., Bjerregaard-Andersen, M., Oliveira, I., Furtado, A., Gomes, M. A., Sodemann, M., Wejse, C., & Unger, H. W. (2020). HIV-1 and HIV-2 prevalence, risk factors and birth outcomes among pregnant women in Bissau, Guinea-Bissau: a retrospective cross-sectional hospital study. Scientific Reports, 10, 1-13. [12174]. https://doi.org/10.1038/s41598-020-68806-5