Physical status of newborns and neonatal outcome |
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Authors: | Radha Tripathy S. N. Parida S. N. Tripathy P. Suvama Devi R. N. Das A. Swain |
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Affiliation: | (1) Present address: Department of Pediatrics, S.C.B. Medical College, Cuttack, Orissa, India;(2) Qr. 3RJ15, Near Cancer Hospital, SCB Medical College Campus, 573 007 Cuttack |
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Abstract: | Objective. To determine the extent to which physical status at birth is associated with neonatal mortality and the causes of mortality vis-a-vis size at birth and gestational age.Method : 11,223 consecutive live births completing 26 weeks of gestation and weighing ≥ 500 gm were included in the study. Birth weight and chest circumference were recorded as per WHO guidelines. Gestational age was calculated on the basis of L.M.P. and the new Ballard’s score. Deaths occurring in the hospital within 28 days were recorded. Percentile values of gestational age specific birth weights were calculated separately for singletons and multiple births. Percentage of SGA was calculated with reference to WHO recommended values. Birth weightgestational age-specific mortality rates were calculated at 2 wk and 500 gm intervals.Results : Low-birth-weight babies constituted 39.8% of the total, much in excess of WHO recommended figure of 15%. 76% deaths occurred among LBW babies and 56.2% among preterms. Mortality showed remarkable decline as the birth weight increased to 2000 gm. The lowest mortality was among singletons weighing 2500-3000 gm and of 38–40 weeks gestation. Prevalence of SGA at 40 and 42 weeks were 73.7% and 83.6% respectively. But, if SGA babies not categorised as LBW were excluded, the values came down to 32% and 36% respectively. 36% of all deaths occurred during the first 24 hrs of birth; asphyxia and related causes contributing to 50% of it.Conclusion : Cut-off value of 2000 gm instead of 2500 gm for birth weight may be preferable in countries where most LBW babies are SGAs. Simultaneously, deaths in non-LBW babies due to perinatal causes contribute significantly to total neonatal mortality and need due attention through sensitising obstetricians in essential newborn care and timely intervention. |
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Keywords: | Gestational age Birth weight Chest circumference Neonatal mortality |
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