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Birth weight in live births and stillbirths

Ultrasound in obstetrics & gynecology, 2016-11, Vol.48 (5), p.602 [Peer Reviewed Journal]

Copyright © 2016 ISUOG. Published by John Wiley & Sons Ltd. ;EISSN: 1469-0705 ;DOI: 10.1002/uog.17287 ;PMID: 27854393

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  • Title:
    Birth weight in live births and stillbirths
  • Author: Poon, L C Y ; Tan, M Y ; Yerlikaya, G ; Syngelaki, A ; Nicolaides, K H
  • Subjects: Birth Weight ; Female ; Gestational Age ; Humans ; Infant, Newborn ; Infant, Small for Gestational Age ; Live Birth - epidemiology ; Live Birth - ethnology ; Pregnancy ; Stillbirth - epidemiology ; Stillbirth - ethnology ; United Kingdom - ethnology
  • Is Part Of: Ultrasound in obstetrics & gynecology, 2016-11, Vol.48 (5), p.602
  • Description: To establish a normal range of birth weights for gestational age at delivery and to compare the proportion of live births and stillbirths that are classified as small-for-gestational age (SGA) according to our normal range vs that of the INTERGROWTH-21 standard. The study population comprised 113 019 live births and 437 (0.4%) stillbirths. The inclusion criterion for establishing a normal range of birth weights for gestational age was the live birth of a phenotypically normal neonate ≥ 24 weeks' gestation and the exclusion criteria were smoking and prepregnancy hypertension, diabetes mellitus, systemic lupus erythematosus or antiphospholipid syndrome, pre-eclampsia, gestational hypertension, gestational diabetes mellitus or iatrogenic preterm birth for fetal growth restriction in the current pregnancy. Inclusion criteria were met by 92 018 live births. The proportions of live births and stillbirths with birth weights < 5 and < 10 percentiles of our normal range and those according to the INTERGROWTH-21 standard were determined and compared by the chi-square test and McNemar test. The proportions of live births and stillbirths with a birth weight < 5 percentile according to our standard were significantly higher than and discordant with the proportion according to the INTERGROWTH-21 standard (live birth: 5.6% vs 3.4%; stillbirth: 37.2% vs 22.7%). Similarly, the proportion of live births and stillbirths with a birth weight < 10 percentile according to our standard were significantly higher than and discordant with those according to the INTERGROWTH-21 standard (live birth: 11.2% vs 6.9%; stillbirth: 44.3% vs 32.6%). The INTERGROWTH-21 standard underestimates the proportion of SGA live births and stillbirths in our population. Copyright © 2016 ISUOG. Published by John Wiley & Sons Ltd.
  • Publisher: England
  • Language: English
  • Identifier: EISSN: 1469-0705
    DOI: 10.1002/uog.17287
    PMID: 27854393
  • Source: MEDLINE
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