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Published in: Diabetologia 9/2019

01-09-2019 | Autism Spectrum Disorder | Article

Neurocognitive and behavioural outcomes in offspring exposed to maternal pre-existing diabetes: a systematic review and meta-analysis

Authors: Jennifer M. Yamamoto, Jamie L. Benham, Deborah Dewey, J. Johanna Sanchez, Helen R. Murphy, Denice S. Feig, Lois E. Donovan

Published in: Diabetologia | Issue 9/2019

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Abstract

Aims/hypothesis

We performed a systematic review and meta-analysis to determine whether exposure to maternal pre-existing diabetes in pregnancy is associated with neurocognitive or behavioural outcomes in offspring.

Methods

We searched MEDLINE, EMBASE, PsychINFO, the Cochrane Database of Systematic Reviews and Scopus for studies that examined any neurocognitive or behavioural outcomes in offspring of mothers with pre-existing diabetes in pregnancy in accordance with a published protocol (PROSPERO CRD42018109038). Title and abstract review, full-text review and data extraction were performed independently and in duplicate. Risk of bias was assessed using the Newcastle–Ottawa scale. Meta-analyses of summary measures were performed using random-effects models.

Results

Nineteen articles including at least 18,681 exposed and 2,856,688 control participants were identified for inclusion. Exposure to maternal pre-existing diabetes in pregnancy was associated with a lower pooled intelligence quotient in the offspring (pooled weighted mean difference −3.07 [95% CI −4.59, −1.55]; I2 = 0%) and an increased risk of autism spectrum disorders (effect estimate 1.98 [95% CI 1.46, 2.68]; I2 = 0%). There was also an increased risk of attention deficit/hyperactivity disorder (pooled HR 1.36 [95% CI 1.19, 1.55]; I2 = 0%), though this was based on only two studies. Although most studies were found to be high quality in terms of participant selection, in many studies, comparability of cohorts and adequacy of follow-up were sources of bias.

Conclusions/interpretation

There is evidence to suggest that in utero exposure to maternal pre-existing diabetes is associated with some adverse neurocognitive and behavioural outcomes. It remains unclear what the role of perinatal factors is and the degree to which other environmental factors contribute to these findings.
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Metadata
Title
Neurocognitive and behavioural outcomes in offspring exposed to maternal pre-existing diabetes: a systematic review and meta-analysis
Authors
Jennifer M. Yamamoto
Jamie L. Benham
Deborah Dewey
J. Johanna Sanchez
Helen R. Murphy
Denice S. Feig
Lois E. Donovan
Publication date
01-09-2019
Publisher
Springer Berlin Heidelberg
Published in
Diabetologia / Issue 9/2019
Print ISSN: 0012-186X
Electronic ISSN: 1432-0428
DOI
https://doi.org/10.1007/s00125-019-4923-0

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