The correlation between frequency and duration of breastfeeding and the severity of neonatal hyperbilirubinemia

Introduction: Inadequate intake of calorie or inadequate breastfeeding can cause neonatal hyperbilirubinemia. The present study was conducted to examine the correlation between frequency and duration of breastfeeding and the severity of neonatal hyperbilirubinemia among newborns admitted to Ghaem Hospital of Mashhad (Iran) due to neonatal hyperbilirubinemia.

Methodology: The present cross-sectional study was conducted on 634 newborns with idiopathic hyperbilirubinemia referred to either Emergency Department or Neonatal Clinic in Ghaem Hospital. The required data were collected through a researcher-made questionnaire covering information related to mothers and babies. The examined neonates were examined based on the frequency and duration of breastfeeding and the severity of hyperbilirubinemia. The collected data were analyzed using statistical tests of Shapiro–Wilk and Chi-squared (SPSS-19.5).

Results: According to the results, at bilirubin levels of 1–12 mg/dl, 12.1–16 mg/dl, 16.1–20 mg/dl and >20 mg/dl, the average frequencies of breastfeeding were respectively 10.66, 9.83, 9.19 and 7.50 times a day. The average serum bilirubin level in newborns with ≤7 times breastfeeding per day (19 mg/dl) was higher than newborns with >7 times breastfeeding per day (16 ml/dl). Additionally, by an increase in the frequency of breastfeeding, the percentage of weight loss decreased in the examined newborns. The results also showed that in newborns with bilirubin levels <20 mg/dl, the severity of hyperbilirubinemia reduced by increased defecation frequency and decreased percentage of weight loss.

Conclusion: The results of this study showed that increased frequency of breastfeeding, accelerated weight gain and increased defecation frequency reduce the severity of neonatal hyperbilirubinemia. Accordingly, breastfeeding education for mothers with an emphasis on increasing the frequency of breastfeeding is a helpful technique to reduce the severity of hyperbilirubinemia in newborns.

To view the article abstract click here.

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