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Updated: Aug 19, 2026

Biochemical Measurement of Neonatal Hypoxia
Published on: August 24, 2011
Incidence and risk factors for neonatal hypoglycaemia in Kerala, India
C K Sasidharan1, E Gokul, S Sabitha
1Division of Neonatology, Department of Paediatrics, Institute of Maternal and Child Health, Medical College, Kozhikode, India.
Insights
Neonatal hypoglycemia affects 41/1000 live births. Key risk factors include prematurity, low birthweight, maternal diabetes, and delayed breastfeeding, necessitating targeted blood glucose screening.
Area of Science:
- Neonatal Medicine
- Pediatric Endocrinology
- Public Health
Background:
- Neonatal hypoglycemia is a significant concern, affecting apparently healthy newborns.
- Identifying predictive risk factors is crucial for timely intervention.
Purpose of the Study:
- To determine the incidence of neonatal hypoglycemia.
- To identify risk factors predicting hypoglycemia.
- To establish criteria for mandatory blood glucose screening in neonates.
Main Methods:
- Prospective hospital-based study in South India.
- Systematic random sampling of 604 neonates.
- Blood glucose levels measured twice within 48 hours using the glucose oxidase-peroxidase method.
- Statistical analysis of 19 maternal and neonatal clinical characteristics.
Main Results:
- Incidence of neonatal hypoglycemia was 41 per 1000 live births.
- Eight independent risk factors identified: prematurity, low birthweight, maternal diabetes, delayed breastfeeding (>2h), maternal pre-eclampsia/eclampsia, birth asphyxia, cold stress, and oligohydramnios.
- These factors were present in 89.1% of hypoglycemic neonates.
Conclusions:
- Neonatal hypoglycemia is common, even in asymptomatic infants.
- Maternal oligohydramnios and delayed breastfeeding are significant predictors.
- Targeted blood glucose screening based on identified risk factors is a cost-effective identification strategy.
Objectives:
To detect the incidence and risk factors that predicted the occurrence of neonatal hypoglycaemia and to identify neonates who require mandatory blood glucose screening during the first 48 h of life.
Design:
Hospital based prospective study in a maternity centre in south India.
Setting:
Labour room, postnatal wards and newborn nursery of the Institute of Maternal and Child Health, Medical College, Kozhikode, India.
Patients:
Six hundred and four neonates were enrolled in the study by a systematic random sampling method from 1 August to 1 November 2002. INTERVENTION/MEASUREMENT: Random blood glucose levels were estimated by the standard glucose oxidase--peroxidase method on two occasions 24 h apart, during the first 2 days of life. Nineteen clinical characteristics of the mother-baby pair were analysed statistically in relation to the occurrence of hypoglycaemia.
Results:
The incidence of neonatal hypoglycaemia in the present study group was 41/1000 live births. Eight variables strongly and independently predicted the risk of neonatal hypoglycaemia, at least one being present in 89.1% of the hypoglycaemic neonates. They included prematurity, low birthweight, maternal diabetes mellitus, delay in initiation of breastfeeding for more than 2 h postnatally, maternal pre-eclampsia and eclampsia, birth asphyxia, cold stress or hypothermia, and maternal oligohydramnios.
Conclusions:
Hypoglycaemia was a common problem in apparently normal asymptomatic babies. Apart from the classic 'text book risk factors', maternal oligohydramnios and a breastfeeding delay of more than 2 h after delivery predicted the risk of neonatal hypoglycaemia in this group. Mandatory blood glucose screening in babies with any one of the above mentioned risk factors serves as an easy and cost effective measure for the prompt identification of this condition.
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