GROW: Adapting and Enhancing Group-based Prenatal Care to Support Healthy Gestational Weight Gain for HIV-affected Women
openFIC - John E. Fogarty International Center for Advanced Study in the Health Sciences
ABSTRACT:
Suboptimal gestational weight gain (GWG) is a modifiable risk factor for adverse pregnancy outcomes,
postpartum weight retention and obesity, and subsequently, the long-term development of non-communicable
diseases (NCD) among women and children. In South Africa, 45% of women exceed the Institute of Medicine’s
(IOM) recommended weight gain in pregnancy, and 38% gain too little weight, putting them at risk for poor
perinatal and postpartum NCD outcomes. Women in low- and middle-income countries (LMICs) with a high
burden of HIV and NCDs, such as South Africa, are at particularly high risk of suboptimal weight gain due to
poor diet quality, limited physical activity, high levels of psychosocial stressors, and, for women with HIV
(WHIV), possible antiretroviral-associated weight gain. By supporting healthy GWG, there is strong potential to
reduce postpartum NCD risk and improve perinatal outcomes for women with and without HIV. However, few
GWG interventions are available for delivery in LMICs, and none have been adapted to address excessive and
inadequate GWG or enhanced to meet the unique needs of women with and without HIV. To address this gap,
our team previously developed an innovative, theoretically driven group prenatal care (GPNC) intervention and
adapted it to reduce GWG and NCD (GPNC-NCD) risk in resource-constrained settings. GPNC-NCD is an
evidence-based intervention, based on social cognitive theory, that builds health literacy, self-efficacy, social
support, and satisfaction with care, leading to improved perinatal, GWG, NCD, and perinatal outcomes. The
goal of this proposal is to adapt the GPNC-NCD intervention for use in South Africa to support healthy GWG
(not too much or too little), enhance it to address the needs of WHIV and without HIV, and evaluate the
feasibility, acceptability, and preliminary efficacy of the intervention to improve GWG, NCD, perinatal, and HIV
care and prevention outcomes in a pilot randomized trial. Our specific aims are: 1) to adapt the GPNC-NCD
intervention for use in South Africa to support healthy GWG and enhance it to address HIV status as a driver of
GWG, and 2) to determine the feasibility, acceptability, and preliminary efficacy of the adapted and enhanced
GPNC intervention. In a pilot trial, 80 women will be individually randomized by HIV status at ≤14 weeks
gestation to GPNC (n=20 WHIV, n=20 HIV-) versus usual care (n=20 WHIV, n=20 HIV-). We hypothesize that
adapted GPNC will be feasible, acceptable and show preliminary efficacy to improve GWG, NCD (blood
pressure, breastfeeding, diet, physical activity), HIV care/prevention (ART adherence, viral suppression, or
PreP uptake), and perinatal (birthweight, large-for-gestational age, cesarean delivery) outcomes. This proposal
addresses the goals of PAR-23-191 by leveraging the evidence-based GPNC intervention to support healthy
GWG, addresses HIV-NCD disparities, and builds capacity for HIV/NCD research in LMICs. If successful, our
adapted GPNC intervention has strong potential to serve as a model for how to integrate NCD and HIV care
and prevention support into routine prenatal care in LMICs to improve perinatal, HIV, and NCD outcomes.
Up to $92K
health research