IMPAACT 2009 (DAIDS ID 30020)

Parallel, observational cohort study of HIV-uninfected pregnant adolescents and young women (aged 16-24). The study is designed to characterize adherence over time among women who initiate once daily oral PrEP during pregnancy and continue in the first 6 months following delivery, and to compare pregnancy outcomes among women who take PrEP and women who decline PrEP during the antenatal period.