

Data were analyzed with SPSS version 16 using paired-samples t test. Bilirubin, calcium, magnesium, and vitamin D were measured in their blood samples at admission and then 48 hours after beginning the phototherapy. Methods: The current semi-experimental investigation was conducted on 50 term infants with jaundice that had phototherapy indication. The current study aimed at investigating the effect of phototherapy on serum level of calcium, magnesium, and vitamin D. One of the consequences of phototherapy not previously studied in detail is hypocalcaemia and hypomagnesaemia.

Vitamin D and bilirubin have two distinct routes of metabolism yet part of their syntheses is common in the liver and thus they may influence each other’s synthesis. Medical Students Research Committee, Shahed University, Tehran, Iranĭept of Pediatrics, Faculty of Medicine, Shahed University, Tehran, Iranĭept of Health & Social Medicine, Faculty of Medicine, Shahed University, Tehran, Iranīackground and Objective: Phototherapy is one of the therapy methods for jaundice caused by hyperbilirubinemia.
