 This study found that PREP service availability and readiness was generally high across MCH facilities in western Kenya. However, there are still some gaps that need to be addressed in order to effectively scale up integrated PREP delivery, especially among facilities with limited infrastructure. These include increasing the frequency of provider training and supportive supervision focused on fidelity, targeting key commodity stockouts such as PREP pills, and implementing electronic logistics management information systems. This article was authored by Sarah Hicks, Felix Abuna, Ben Odiambo, and others.