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Reference curves of birth weight, length, and head circumference for gestational ages in Yogyakarta, Indonesia
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2016 (English)In: BMC Pediatrics, ISSN 1471-2431, E-ISSN 1471-2431, Vol. 16, 188Article in journal (Refereed) Published
Abstract [en]

Background: The birth weight reference curve to estimate the newborns at risk in need of assessment and monitoring has been established. The previous reference curves from Indonesia, approximately 8 years ago, were based on the data collected from teaching hospitals only with limited gestational ages. The aims of the study were to update the reference curves for birth weight, supine length and head circumference for Indonesia, and to compare birth weight curves of boys and girls, first child and later children, and the ones in the previous studies. Methods: Data were extracted from the Maternal-Perinatal database between 1998-2007. Only live singletons with recorded gestational ages of 26 to 42 weeks and the exact time of admission to the neonatal facilities delivered or referred within 24 h of age to Sardjito Hospital, five district hospitals and five health centers in Yogyakarta Special Territory were included. Newborns with severely ill conditions, congenital anomaly and chromosomal abnormality were excluded. Smoothening of the curves was accomplished using a third-order polynomial equation. Results: Our study included 54,599 singleton live births. Growth curves were constructed for boys (53.3%) and girls (46.7%) for birth weight, supine length, and head circumference. At term, mean birth weight for each gestational age of boys was significantly higher than that of girls. While mean birth weight for each gestational age of first-born-children, on the other hand was significantly lower than that of later-born-children. The mean birth weight was lower than that of Lubchenco's study. Compared with the previous Indonesian study by Alisyahbana, no differences were observed for the aterm infants, but lower mean birth weight was observed in preterm infants. Conclusions: Updated neonatal reference curves for birth weight, supine length and head circumference are important to classify high risk newborns in specific area and to identify newborns requiring attention.

Place, publisher, year, edition, pages
2016. Vol. 16, 188
Keyword [en]
Reference curve, Birth weight, Supine length, Head circumference, Sex, First-later-born children, Preterm term
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-129819DOI: 10.1186/s12887-016-0728-1ISI: 000388142300001PubMedID: 27871318OAI: oai:DiVA.org:umu-129819DiVA: diva2:1063526
Available from: 2017-01-10 Created: 2017-01-09 Last updated: 2017-01-10Bibliographically approved

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Nyström, Lennarth
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf