Secular Trends in Birthweights in Two Epochs Over 40 Years in a Tertiary Care Center

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dc.contributor.authorThomas, Deenaen_US
dc.contributor.authorAnand, Pratimaen_US
dc.contributor.authorThukral, Anuen_US
dc.contributor.authorAgarwal, Rameshen_US
dc.contributor.authorDeorari, Ashoken_US
dc.contributor.authorSankar, M Jeevaen_US
dc.date.accessioned2023-08-25T06:39:32Z
dc.date.available2023-08-25T06:39:32Z
dc.date.issued2022-08
dc.description.abstractObjective: To compare the average birthweights and the weight centiles of the ‘new’ growth charts with the ‘old’ (1974) charts developed in the same unit four decades ago. Methods: Birthweight and gestation data of the eligible 12,355 singleton neonates born between 2009 and 2016 at a level-3 neonatal unit at a public sector hospital were used to develop the new growth chart. We then compared the prevalence of small for gestational age (SGA) and large for gestational age (LGA) classified by the new charts and the old charts, the incidence of short-term adverse outcomes among them, and the diagnostic performance of both the charts to identify the adverse outcomes in a separate validation cohort. Results: The mean birthweights of boys and girls across all gestations were higher by 150-200 g and 100-150 g, respectively, in the new chart. The prevalence of SGA doubled (9.8% vs 4.7%), but LGA decreased by one-third (17.5% vs 25.9%) with the new chart. However, the proportion of SGA and LGA having one or more short-term adverse outcomes, and the diagnostic performance of both the charts to identify neonates with shortterm adverse outcomes, were comparable. Conclusion: There was an upward shift in the birthweights by about 150 g across all gestations in the new chart compared to the old chart developed 40 years ago. The findings imply the need to consider using updated growth charts to ensure accurate classification of size at birth of neonates.en_US
dc.identifier.affiliationsDivision of Neonatology, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi.en_US
dc.identifier.citationThomas Deena, Anand Pratima, Thukral Anu, Agarwal Ramesh, Deorari Ashok, Sankar M Jeeva. Secular Trends in Birthweights in Two Epochs Over 40 Years in a Tertiary Care Center. Indian Pediatrics. 2022 Aug; 59(8): 603-607en_US
dc.identifier.issn0079-6061
dc.identifier.issn0974-7559
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/225355
dc.languageenen_US
dc.publisherIndian Academy of Pediatricsen_US
dc.relation.issuenumber8en_US
dc.relation.volume59en_US
dc.source.urihttps://indianpediatrics.net/aug2022/603.pdfen_US
dc.subjectGestational ageen_US
dc.subjectGrowth charten_US
dc.subjectNewbornen_US
dc.subjectSmall for gestational age.en_US
dc.titleSecular Trends in Birthweights in Two Epochs Over 40 Years in a Tertiary Care Centeren_US
dc.typeJournal Articleen_US
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