Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo
-
To analyze studies on methods used to assess pain in newborns. ⋯ Based on the characteristics of scales, one cannot choose a single one as the most appropriate scale, as this choice will depend on gestational age, type of painful stimulus and the environment in which the infant is inserted. It is suggested the use of multidimensional or one-dimensional scales; however, they must be reliable and validated.