“…When examining the articles regarding the source of knowledge acquired by the professionals, it is observed that this data is also little inspected. Articles 1, 2, 13, 15, and 19 revealed that most health professionals received information on neonatal pain throughout their education in a technical course, undergraduate, or graduate programs, and there is not a continuous practice training in the maternity ward 10,11,22,24,28 . It is noticed that other themes are prioritized, such as breastfeeding, hospital infection, intravenous therapy, among others 28 .…”