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Maternal age and the risk of low birthweight and pre-term delivery: a pan-Nordic comparison

Aradhya, Siddartha ; Tegunimataka, Anna LU ; Kravdal, Øystein ; Martikainen, Pekka ; Myrskylä, Mikko ; Barclay, Kieron and Goisis, Alice (2023) In International Journal of Epidemiology 52(1). p.156-164
Abstract
Advanced maternal age at birth is considered a risk factor for adverse birth outcomes. A recent study applying a sibling design has shown, however, that the association might be confounded by unobserved maternal characteristics. Methods: Using total population register data on all live singleton births during the period 1999-2012 in Denmark (N = 580-133; 90% population coverage), Norway (N = 540-890) and Sweden (N = 941-403) and from 2001-2014 in Finland (N = 568-026), we test whether advanced maternal age at birth independently increases the risk of low birthweight (LBW) (
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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Maternal age at birth, birth outcomes, sibling design, Nordic countries
in
International Journal of Epidemiology
volume
52
issue
1
pages
156 - 164
publisher
Oxford University Press
external identifiers
  • pmid:36350574
  • scopus:85152105034
ISSN
1464-3685
DOI
10.1093/ije/dyac211
language
English
LU publication?
yes
id
9256b341-b3f1-42dd-97b4-50f4b2b55399
date added to LUP
2022-11-11 11:09:29
date last changed
2024-02-08 16:46:37
@article{9256b341-b3f1-42dd-97b4-50f4b2b55399,
  abstract     = {{Advanced maternal age at birth is considered a risk factor for adverse birth outcomes. A recent study applying a sibling design has shown, however, that the association might be confounded by unobserved maternal characteristics. Methods: Using total population register data on all live singleton births during the period 1999-2012 in Denmark (N = 580-133; 90% population coverage), Norway (N = 540-890) and Sweden (N = 941-403) and from 2001-2014 in Finland (N = 568-026), we test whether advanced maternal age at birth independently increases the risk of low birthweight (LBW) (}},
  author       = {{Aradhya, Siddartha and Tegunimataka, Anna and Kravdal, Øystein and Martikainen, Pekka and Myrskylä, Mikko and Barclay, Kieron and Goisis, Alice}},
  issn         = {{1464-3685}},
  keywords     = {{Maternal age at birth; birth outcomes; sibling design; Nordic countries}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{156--164}},
  publisher    = {{Oxford University Press}},
  series       = {{International Journal of Epidemiology}},
  title        = {{Maternal age and the risk of low birthweight and pre-term delivery: a pan-Nordic comparison}},
  url          = {{http://dx.doi.org/10.1093/ije/dyac211}},
  doi          = {{10.1093/ije/dyac211}},
  volume       = {{52}},
  year         = {{2023}},
}