Under CAPTA, states perform a range of prevention activities, including addressing the needs of infants born with prenatal drug exposure. The number of children under the age of 1 entering foster care increased by about 15 percent from fiscal years 2012 through 2015. Child welfare professionals attribute the increase to the opioid epidemic. GAO was asked to examine the steps states are taking to implement CAPTA requirements on substance-affected infants and related amendments enacted in 2016...