2- Classification according to gestational age: ?Basic Nursing Assessment that should be applied for all Conditions of High-Risk Neonates: Monitoring Physiologic Data ?Most neonates under intensive observation are placed in a controlled thermal environment and monitored for heart rate, respiratory activity, and temperature.Preterm infant: An infant born before completion of 37 weeks of gestation, regardless of birth weight ?E.g.: hyper-bilirubinemia, respiratory distress, hypothermia.Associated with the state of maturity of the infant.??