Non-invasive MRI techniques are needed to quantify placental perfusion and oxygenation during pregnancy. In this work, we assessed the feasibility and correspondence of T2* mapping and arterial spin labeling (ASL) to evaluate placental oxygen delivery. Six pregnant rhesus macaques and seven pregnant women underwent MRI that included T2* mapping and ASL with flow-sensitive alternating inversion recovery (FAIR). Regions of locally high ASL perfusion signal correlated spatially with the regions of locally maximum T2* in animals and humans. The two imaging techniques with endogenous contrast are promising approaches for the detection of oxygen delivery via the placenta.