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J Acquir Immune Defic Syndr. 2017 Jun 1;75 Suppl 2:S173-S181. doi: 10.1097/QAI.0000000000001346.

The Impact of Structured Mentor Mother Programs on 6-Month Postpartum Retention and Viral Suppression among HIV-Positive Women in Rural Nigeria: A Prospective Paired Cohort Study.

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*International Research Center of Excellence, Institute of Human Virology Nigeria, Abuja, Nigeria; †Division of Epidemiology and Prevention, Institute of Human Virology, School of Medicine, University of Maryland Baltimore, Baltimore, MD; and ‡Department of Obstetrics and Gynaecology, College of Health Sciences, Bayero University, Kano, Nigeria.



Peer support (PS) has reportedly improved Prevention of mother-to-child transmission (PMTCT) outcomes in high HIV-burden settings; however, evidence of impact on retention in care is limited. Retention in care implies consistent engagement and treatment adherence. The MoMent study evaluated the impact of structured vs unstructured PS on postpartum retention and viral load suppression among rural Nigerian women.


A total of 497 HIV-positive pregnant women were consecutively enrolled at 10 primary health care centers with structured mentor mother (MM) support, and at 10 pair-matched primary health care centers with routine, ad hoc PS. The structured MM intervention comprised an outcome-specific scope of work, close MM supervision, standardized documentation, performance evaluations, and retraining as appropriate. Retention was defined by clinic attendance during the first 6-month postpartum. Participants with ≥3 of 6 expected monthly visits were considered retained. Women with a 6-month postpartum plasma viral load of <20 copies/mL were considered suppressed. A logistic regression model with generalized estimating equation was used to assess the effect of MMs on retention and viral suppression.


Exposure to structured MM support was associated with higher odds of retention than routine PS (adjusted odds ratio = 5.9, 95% confidence interval: 3.0 to 11.6). Similarly, the odds of viral suppression at 6-month postpartum were higher for MM-supported women (adjusted odds ratio = 4.9, 95% confidence interval: 2.6 to 9.2).


Structured PS significantly improved postpartum PMTCT retention and viral suppression rates among women in rural Nigeria. Introduction of structure can enhance the impact of PS interventions on PMTCT outcomes.


[Indexed for MEDLINE]

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