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Overall design of the Promoting Maternal and Infant Survival Everywhere (PROMISE) 1077BF trial including the antepartum, postpartum and maternal health components with 3 randomizations (n = 3490). Sites: Zimbabwe, Uganda, Zambia, Malawi, South Africa, Tanzania, and India. Abbreviations: ARV, antiretroviral; BF, breastfeeding; NVP, nevirapine; sdNVP, single-dose nevirapine; TRV, Truvada; ZDV, zidovudine.
