Background The severity of AIDS and the social and personal implications of HIV makes the epidemiological study of HIV more difficult. Surveillance studies remain the mainstay of understanding thetrends of HIV infection. In this study, we aimed to determine the trend in the prevalence of HIV in the antenatal women attending our hospital situated in the western region of India over the period of the last nine years and theART adherence and the viral loads of the cluster of positive patients identified from this antenatal HIV testing. Methodology A retrospective study was conducted by collecting data fornine years from January 2015 to December 2023 from the PPTCT (Prevention of Parent to Child Transmission) Centre and ART (Anti-Retroviral Treatment) Centre of the hospital. All pregnant women attending antenatal clinics and being admitted to the labor room are counseled for HIV testing as per the National AIDS Control Organisation (NACO) guidelines of India. The data of the total antenatal women counseled for HIV testing and who tested HIV positivewere collected. The HIV prevalence rate was derived and the trend of HIV prevalence in antenatal women attending the hospital was determined over the study period. The data on ART adherence and the viral load of these HIV-positive women detected antenatally and their seropositive spouseand children were collected and analyzed. Results A total of 22,584 antenatal women were counseled for HIV testing during the study period. No women opted out and there was 100% testing of these 22,584 antenatal women for HIV. Fifty antenatal women tested positive for HIV, resulting in an overall HIV prevalence of 0.22% (50/22,584) during the study period. There was adeclining trend of HIV prevalence among antenatal women from 2020 to 2023 (from 0.37% to 0.19%). Of the 50 seropositive antenatal women, 42remained bookedat our ART Centre for treatment. Thirty (71%) women are still adhered to taking ART. Of their 20 seropositive spouses, 14 (70%) have remained adhered to ART. Twenty-eight (93%) female patients on ART and 13 (93%) spouses on ART have suppressed viral loads. Two children of these seropositive mothers had tested HIV positive. ART adherence and suppressed viral load were seen in both seropositive children. Conclusion The study reflects a decline in antenatal seroprevalence in recent years in our region. The antenatal HIV prevalence trends have major implications on mother-to-child transmission and these positive antenatal cases serveas index cases bringing the testing opportunity for the so-called identified as the non-high-risk population. ART adherence of positive female patients, after the completion of the antenatal period, remains the challenge in our region, which requires improvement in the outreach activities and increased motivation and awareness of these patients regarding the importance of taking lifelong ART.
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