Fig. 1From: Detecting and managing hypertensive disorders in pregnancy: a cross-sectional analysis of the quality of antenatal care in NigeriaMap of study sites. Data was collected from 95 participating hospitals in 7 states across the 6 geopolitical zones of Nigeria. Geopolitical zones are divided based on similarity in culture, ethnic group, and common history. Including all hospitals from all geopolitical zones helps to ensure representative national results. Rights to this image are owned by the authorBack to article page