2012
DOI: 10.5694/mja11.11331
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Australian national birthweight percentiles by sex and gestational age, 1998–2007

Abstract: Objective: To present updated national birthweight percentiles for gestational age by sex for singletons born in Australia.Design and setting: Cross-sectional population-based study of 2.53 million singleton live births of infants born in Australia between 1998 and 2007.Main outcome measures: Birthweight percentiles by gestational age and sex.Results: Between 1998 and 2007 women in Australia gave birth to 2,539,237 live singleton births. Of these, 2,537,627 had gestational age between 20 and 44 weeks and non-m… Show more

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Cited by 342 publications
(320 citation statements)
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“…Population charts represent birthweight data from a local or national population and are derived from large and robust data sets. The most recent Australian national birthweight centiles were published by Dobbins et al 18 in 2012 and are derived from 2.5 million Australian singleton births. These replace the previous Roberts and Lancaster charts, still widely used and recommended by the Australasian Society for Ultrasound in Medicine to report fetal weight centile.…”
Section: Clinical Detection Of Late-onset Fgrmentioning
confidence: 99%
See 1 more Smart Citation
“…Population charts represent birthweight data from a local or national population and are derived from large and robust data sets. The most recent Australian national birthweight centiles were published by Dobbins et al 18 in 2012 and are derived from 2.5 million Australian singleton births. These replace the previous Roberts and Lancaster charts, still widely used and recommended by the Australasian Society for Ultrasound in Medicine to report fetal weight centile.…”
Section: Clinical Detection Of Late-onset Fgrmentioning
confidence: 99%
“…While this effect is most marked at extreme preterm gestation (<32 weeks), Table 1 illustrates that EFW derived from fetal biometry on the 10th centile [21][22][23] will be misclassified as appropriate for gestational age (AGA) right up until 35 weeks in male fetuses and up to 37 weeks in female fetuses using population, or birthweight, centiles. 18 A more appropriate comparator is an intrauterine fetal growth chart generated from a normal distribution of ultrasound measurements of ongoing (in utero) healthy pregnancies. Hadlock's logarithmic proportionality curves describe the per cent of birthweight achieved at each gestation in healthy pregnancies, that is, fetuses are approximately 1/4 of their final birthweight at 26 weeks, 1/3 at 28 weeks, 1/2 at 31 weeks and 2/3 at 34 weeks.…”
Section: Clinical Detection Of Late-onset Fgrmentioning
confidence: 99%
“…Secondary outcomes include LBW (<2,500 g at birth) and SGA (<10th percentile on intrauterine growth chart). Australian national birth weight percentile charts for singletons and twins were used to assign SGA status (17,18). Birth weight percentiles were not available on 94 twins and were therefore excluded from the SGA analysis.…”
Section: Study and Outcome Factorsmentioning
confidence: 99%
“…We excluded births of 45 weeks' gestation or longer, as national reference data were unavailable for calculating small for gestational age. 16 We also excluded births to mothers younger than 14 years.…”
Section: Data Sourcementioning
confidence: 99%
“…Outcome variables were preterm birth (gestational age less than 37 completed weeks), small for gestational age birth (less than the 10th centile of Australian national birth weight centiles by sex and gestational age in weeks 16 ), and low birth weight (less than 2500 g). For consistency with previous studies, 1-5 we modelled interpregnancy interval as a categorical variable, classed as: 0-5 months, 6-11 months, 12-17 months, 18-23 months (as the reference category), 24-59 months, 60-119 months, and 120 months or longer.…”
Section: Variablesmentioning
confidence: 99%