This guide aims to equip USAID Missions and partners with tools to monitor and evaluate programs that enhance person-centered care across the sexual, reproductive, maternal, newborn, child, and adolescent health (SRMNCAH) spectrum in low- and middle-income countries, ensuring that the perspectives of clients and caretakers are central to these efforts. The guide compiles measures that can be used to track client-reported experiences of care (EOC) in facility- and community-based health service delivery settings across the spectrum of SRMNCAH, including family planning, HIV, sexually transmitted infections, and care of the sick child. It compiles measures of self-reported data on EOC for the client and caretaker (for newborns and children).