Friando Glorio Boneka, Rocky Willar, Johnny Rompis
Objective: Hyperbilirubinemia in a neonate is one of the most common problems that may occur in 60-70 % of term and 80% of preterm babies. It is known to be associated with significant morbidity like neonatal bilirubin encephalopathy and even death. Clinically, and almost exclusively ABO incompatibility occur in 'A' and 'B' blood type babies of O positive mothers. These babies are reported to be at high risk of severe hyperbilirubinemia (serum bilirubin level more than 16 mg/dl). This study aimed to find out the correlation between bilirubin level to babies and mother’s blood type. Methods: A prospective cohort study conducted in Prof. dr. R.D. Kandou Hospital NICU from April 2018 until April 2019. Only aterm babies included in the study, we exclude the preterm and postterm baby. The birth weight, methods of delivery, legth of phototherapy was recorded through history and physical examination. The blood type of neonates and mother was tested by tile and slide method and serum bilirubin was estimated in hospital laboratorium. The data was observed and analysis was carried out using statistical software SPSS. Results: From 37 babies with different blood type with mother’s, there are 25 babies has a high bilirubin level and from 91 babies that has a similar blood type with mother’s, there are 40 babies has a high bilirubin level. The Pearson chi-square analysis shows an correlation between bilirubin level to babies and mother’s blood type and it was signicat statistically (OR 0.376 (95% CI 0.169 – 0.841) Conclusion: There was an correlation between bilirubin level to babies and mother’s blood type.