Vitamin D Deficiency in Premature Infants and Its Effects on Neonatal Prognosis

Aim: In the present study, the relationship between neonatal morbidity and cord vitamin D levels is investigated. Materials and Methods: Premature infants who were born before 32 weeks of gestation and admitted to our neonatal intensive care unit between January 2014 and January 2015 were included in the study. Vitamin D levels in the cord blood of infants were measured. Serum calcium, phosphorus and alkaline phosphatase levels were recorded in the first 24 hours. All neonates were followed up for neonatal morbidities until discharge. Results: The mean gestational age of the study subjects was 29.2±2.6 (23-32). The mean vitamin D level was 27.4±19.3 ng/mL (4-76). Fourteen (46.7%) infants had normal vitamin D levels; 2 infants (6.7%) had vitamin D insufficiency (20-30 ng/mL), 14 infants (46.7%) had vitamin D deficiency (