A descriptive cross-sectional study among 174 newborns was carried out at Hospital Materno-Infantil de Irapuato in Mexico during July and August 2018.~The Picterus Calibration Card will be placed on the chest of the newborn with the hole in the card placed over the infant's sternum. A validated smartphone with Picterus JP will be used to collect digital images..
This corss-sectional study aims to test the performance and accuracy of the Picterus JP screening device in newborns with different skin types.