Comparison of blood glucose levels in breastfed vs. formula-fed low birth weight infants
Abstract
Background Low birth weight infants are defined as babies withbirth weight less than 2500 grams. Low birth weight infants tend
to suffer from hypoglycemia compared to full term infants. The
incidence of hypoglycemia in newborns varies between 1.3 and 3
per 1000 live births. Blood glucose levels in formula-fed infants
are lower than those in breastfed infants.
Objective To compare blood glucose levels in breastfed and
formula-fed low birth weight infants.
Methods A cross sectional study was conducted between February
2007 and June 2007 at Pirngadi and H. Adam Malik General
Hospital in Medan, North Sumatra, Indonesia. All low birth
weight babies were classified into two groups: the breastfed and
formula-fed. Each group consisted of 32 infants. Capillary blood
was collected using heel pricks at 1, 48, and 72 hours after birth,
and plasma glucose was evaluated using the Glucotrend2 blood
glucose test.
Results The breastfed low birth weight infants had significantly
higher blood glucose levels (P=0.002) than formula-fed low birth
weight infants. Mode of delivery was related to blood glucose level.
Infant delivered by caesarean section had significantly different
blood glucose levels at 1 hour (P=0.005) and 72 hours after
birth (P=0.027). The full-term infants had significantly higher
blood glucose level (P=0.007) than the small for gestational age
infants.
Conclusions Generally, low birth weight infants have hypoglycemia
after first hour of delivery. Breastfed low birth weight infants have
higher blood glucose levels than formula-fed low birth weight
infants.
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Accepted 2016-09-05
Published 2009-03-01