The Effect of Position Given to Preterms After Feeding on Gastric Residual Volume, Abdominal Oxygenation and Fractional Oxygen Extraction

Inclusion Criteria: * Preterm newborns who are at 28-33 weeks of gestation according to the last menstrual period of the mother, * Preterm newborns who are breastfed, * Preterm newborns who are clinically stable and enteral feeding started, * Preterm newborns who are first enteral nutrition 24 hours after mechanical ventilation, * Preterm newborns who are at least 50% of their nutrition provided with enteral nutrition, * Free Newborns fed by flow and orogastric tube and with informed consent of the parents will be included in the study. Exclusion Criteria: * Preterm newborns requiring mechanical ventilation, * Preterm newborns diagnosed with NEC, * Preterm newborns vomiting, * Preterm newborns who have abdominal distension, * Preterm newborns who have nasal mechanical obstruction, * Preterm newborns who have congenital anomalies, * Preterm newborns who have gastrointestinal problems such as gastroschisis or congenital diaphragmatic hernia, * Preterm newborn who have cerebrovascular disease, apnea episodes, severe neurological disease, were included in the study. will not be included, * Preterm newborns who worsen clinically after inclusion in the sample group will be excluded from the study.