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BackgroundClinical trials have clearly shown a reduction in HIV acquisition through voluntary medical male circumcision (VMMC). However, data assessing risk compensation under programmatic conditions is limited.MethodsThis was a prospective cohort of HIV seronegative males aged 18-40 years receiving VMMC between November 2012 and July 2014. HIV serostatus was determined pre and post VMMC. Risk compensation was defined as a decrease in condom use at last sex act and/or an increase in concurrent sexual relationships, both measured twelve months post-circumcision.ResultsA total of 233 males were enrolled and underwent voluntary medical male circumcision (VMMC) for prevention against HIV. There was no evidence of risk compensation post-circumcision as defined in this study. Significant increases in proportion of participants in the 18-24 years age group who knew the HIV status of their sexual partner (39% to 56%, p = 0.0019), self-reported condom use at last sex act (21% to 34%, p = 0.0106) and those reporting vaginal sexual intercourse in the past 12 months (67% to 79%, p-value = <0.0001) were found. In both 18-24 and 25-40 years age groups, there was a significant increase in perception of being at risk of contracting HIV (70% to 84%, p-value = <0.0001).ConclusionNo significant risk compensation was observed in this study on comparing pre-and post-circumcision behaviour. An increase in proportion of participants in the 18-24 years age group who had vaginal intercourse in the first 12 months post-circumcision as a possibility of risk compensation was minimal and negated by an increase in proportion of those reporting using a condom at the last sex act, increase in knowledge of partner's HIV status and lack of increase in alcohol post-circumcision.

Original publication

DOI

10.1371/journal.pone.0213571

Type

Journal

PloS one

Publication Date

01/2019

Volume

14

Addresses

Perinatal HIV Research Unit (PHRU), Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.

Keywords

Humans, HIV-1, HIV Infections, Sexual Behavior, Heterosexuality, Adolescent, Adult, South Africa, Female, Male, Circumcision, Male