The Effect of Skin Color Scale Material Used by Families at Home in the Postnatal Period on the Process of Hospital Admission Due to Jaundice and Breastfeeding Parameters

Inclusion Criteria: * Preterm infants born alive between 36-42 weeks of gestation or delivered healthy to their mothers, * Newborns with a birth weight of 2500 grams or more, * Newborns without a history of multiple pregnancy (twins, triplets, etc.), * Newborns with at least one literate parent, * Newborns whose families voluntarily agree to participate in the study and sign the informed consent form. Exclusion Criteria: * Newborns younger than 36 weeks and requiring intensive care, or newborns older than 42 weeks, * Newborns weighing less than 2500 grams at birth, * Newborns requiring postnatal intensive care, * Newborns with congenital anomalies, metabolic diseases, or serious clinical problems, * Newborns whose families wish to withdraw from the study during the follow-up period or whose contact information is unavailable, * Newborns excluded from analysis due to incomplete or erroneous data, * Newborns whose families did not sign the informed consent form.