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Pregnancy complications and obstetric suboptimality in association with autism spectrum disorders in children of the nurses' health study II / Kristen LYALL in Autism Research, 5-1 (February 2012)
[article]
Titre : Pregnancy complications and obstetric suboptimality in association with autism spectrum disorders in children of the nurses' health study II Type de document : Texte imprimé et/ou numérique Auteurs : Kristen LYALL, Auteur ; David L. PAULS, Auteur ; Donna SPIEGELMAN, Auteur ; Alberto ASCHERIO, Auteur ; Susan L. SANTANGELO, Auteur Année de publication : 2012 Article en page(s) : p.21-30 Langues : Anglais (eng) Mots-clés : autism spectrum disorders gestational diabetes obstetric complications pregnancy complications Index. décimale : PER Périodiques Résumé : The authors examined pregnancy and obstetric complications in association with autism spectrum disorders (ASD) in children of participants from the Nurses' Health Study II, a prospective national cohort with information collected through biennial mailed questionnaires since 1989. Logistic regression was used to obtain crude and adjusted odds ratios for ASD, and by diagnostic subgroup. Seven hundred and ninety-three cases were reported among 66,445 pregnancies. Pregnancy complications and obstetric suboptimality factors were assessed by maternal report of occurrence in first birth and, in secondary analyses, in any birth. Complications and a suboptimality score were significantly associated with having a child with ASD (OR 1.49, 95% CI 1.26, 1.77, P<0.0001 for pregnancy complications in first birth and 2.76, 95% CI 2.04, 3.74, P<0.0001 comparing individuals with four or more obstetric suboptimality factors in first birth to those with none; results similar when assessed in any birth). In particular, gestational diabetes was associated with a significantly increased risk of ASD in results of primary and sensitivity analyses (OR in primary analysis = 1.76, 95% CI 1.34, 2.32, P<0.0001); suboptimal parity and suboptimal age-at-first-birth were also individual factors associated with ASD. Associations were similar by diagnostic subgroup, suggesting autism, Asperger syndrome, and other Pervasive Developmental Disorders are all associated with pregnancy complications. Consistent with previous research, the general class of pregnancy complications was associated with ASD as a whole. Additional work will be required to more fully assess the role of gestational diabetes. En ligne : http://dx.doi.org/10.1002/aur.228 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=153
in Autism Research > 5-1 (February 2012) . - p.21-30[article] Pregnancy complications and obstetric suboptimality in association with autism spectrum disorders in children of the nurses' health study II [Texte imprimé et/ou numérique] / Kristen LYALL, Auteur ; David L. PAULS, Auteur ; Donna SPIEGELMAN, Auteur ; Alberto ASCHERIO, Auteur ; Susan L. SANTANGELO, Auteur . - 2012 . - p.21-30.
Langues : Anglais (eng)
in Autism Research > 5-1 (February 2012) . - p.21-30
Mots-clés : autism spectrum disorders gestational diabetes obstetric complications pregnancy complications Index. décimale : PER Périodiques Résumé : The authors examined pregnancy and obstetric complications in association with autism spectrum disorders (ASD) in children of participants from the Nurses' Health Study II, a prospective national cohort with information collected through biennial mailed questionnaires since 1989. Logistic regression was used to obtain crude and adjusted odds ratios for ASD, and by diagnostic subgroup. Seven hundred and ninety-three cases were reported among 66,445 pregnancies. Pregnancy complications and obstetric suboptimality factors were assessed by maternal report of occurrence in first birth and, in secondary analyses, in any birth. Complications and a suboptimality score were significantly associated with having a child with ASD (OR 1.49, 95% CI 1.26, 1.77, P<0.0001 for pregnancy complications in first birth and 2.76, 95% CI 2.04, 3.74, P<0.0001 comparing individuals with four or more obstetric suboptimality factors in first birth to those with none; results similar when assessed in any birth). In particular, gestational diabetes was associated with a significantly increased risk of ASD in results of primary and sensitivity analyses (OR in primary analysis = 1.76, 95% CI 1.34, 2.32, P<0.0001); suboptimal parity and suboptimal age-at-first-birth were also individual factors associated with ASD. Associations were similar by diagnostic subgroup, suggesting autism, Asperger syndrome, and other Pervasive Developmental Disorders are all associated with pregnancy complications. Consistent with previous research, the general class of pregnancy complications was associated with ASD as a whole. Additional work will be required to more fully assess the role of gestational diabetes. En ligne : http://dx.doi.org/10.1002/aur.228 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=153 Autism spectrum disorder and obstetric optimality: a twin study and meta-analysis of sibling studies / S. GÓMEZ-VALLEJO in Journal of Child Psychology and Psychiatry, 62-11 (November 2021)
[article]
Titre : Autism spectrum disorder and obstetric optimality: a twin study and meta-analysis of sibling studies Type de document : Texte imprimé et/ou numérique Auteurs : S. GÓMEZ-VALLEJO, Auteur ; M. LEONI, Auteur ; A. RONALD, Auteur ; E. COLVERT, Auteur ; Francesca HAPPE, Auteur ; Patrick BOLTON, Auteur Article en page(s) : p.1353-1362 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/etiology/genetics Autistic Disorder Child Diseases in Twins Female Humans Infant, Newborn Pregnancy Siblings Twins Autism spectrum disorder genetics obstetric complications Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder with a strong genetic basis. Recent studies have suggested that its aetiology is also influenced by environmental factors. Some of the most examined environmental factors are obstetric complications. However, the results are inconsistent. METHODS: We aimed to explore the association between obstetric complications and autism in a population-based twin sample using the Obstetric Enquiry Scale (OES), a scale that measures the presence or absence of pre-, peri- and neonatal factors. Additionally, we report the meta-analytic results for obstetrical factors reported in previously published sibling studies. RESULTS: Our study included 115 cases pairs and 62 controls pairs and showed that children with autism and their unaffected co-twins present significantly more obstetric complications than controls (ASD vs. controls ? 1.26, CI 95% 1.11-1.40 p < .001; unaffected co-twin vs. controls ? 1.20, 95% CI 1.07-1.36 p < .003). However, we did not find statistically significant differences between children with ASD and their unaffected co-twins (? .96, 95% CI 0.85-1.09, p 0.55). Meta-analysis demonstrated that maternal hypertension (RR 1.35, CI 95% 1.23-1.48), uterine bleeding (RR 1.20 CI 95% 1.01-1.42) and exposure to antibiotic during pregnancy (1.11 CI 95% 1.00-1.22) increase risk of ASD. CONCLUSIONS: This study confirms that children with ASD and their unaffected twins show more obstetric complications than controls. However, these complications do not distinguish between ASD twins and their unaffected co-twins. In addition, the meta-analysis showed little influence of birth factors on ASD which suggests a shared familial liability for both obstetric complications and autism, rather than a causal association. En ligne : http://dx.doi.org/10.1111/jcpp.13526 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456
in Journal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1353-1362[article] Autism spectrum disorder and obstetric optimality: a twin study and meta-analysis of sibling studies [Texte imprimé et/ou numérique] / S. GÓMEZ-VALLEJO, Auteur ; M. LEONI, Auteur ; A. RONALD, Auteur ; E. COLVERT, Auteur ; Francesca HAPPE, Auteur ; Patrick BOLTON, Auteur . - p.1353-1362.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1353-1362
Mots-clés : Autism Spectrum Disorder/etiology/genetics Autistic Disorder Child Diseases in Twins Female Humans Infant, Newborn Pregnancy Siblings Twins Autism spectrum disorder genetics obstetric complications Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder with a strong genetic basis. Recent studies have suggested that its aetiology is also influenced by environmental factors. Some of the most examined environmental factors are obstetric complications. However, the results are inconsistent. METHODS: We aimed to explore the association between obstetric complications and autism in a population-based twin sample using the Obstetric Enquiry Scale (OES), a scale that measures the presence or absence of pre-, peri- and neonatal factors. Additionally, we report the meta-analytic results for obstetrical factors reported in previously published sibling studies. RESULTS: Our study included 115 cases pairs and 62 controls pairs and showed that children with autism and their unaffected co-twins present significantly more obstetric complications than controls (ASD vs. controls ? 1.26, CI 95% 1.11-1.40 p < .001; unaffected co-twin vs. controls ? 1.20, 95% CI 1.07-1.36 p < .003). However, we did not find statistically significant differences between children with ASD and their unaffected co-twins (? .96, 95% CI 0.85-1.09, p 0.55). Meta-analysis demonstrated that maternal hypertension (RR 1.35, CI 95% 1.23-1.48), uterine bleeding (RR 1.20 CI 95% 1.01-1.42) and exposure to antibiotic during pregnancy (1.11 CI 95% 1.00-1.22) increase risk of ASD. CONCLUSIONS: This study confirms that children with ASD and their unaffected twins show more obstetric complications than controls. However, these complications do not distinguish between ASD twins and their unaffected co-twins. In addition, the meta-analysis showed little influence of birth factors on ASD which suggests a shared familial liability for both obstetric complications and autism, rather than a causal association. En ligne : http://dx.doi.org/10.1111/jcpp.13526 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456