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Pre-eclampsia and the risk of autism-spectrum disorder in offspring: meta-analysis

  • Berihun Assefa Dachew (a1), Abdullah Mamun (a2), Joemer Calderon Maravilla (a3) and Rosa Alati (a3)

Abstract

Background

Evidence about the effect of intrauterine exposure to pre-eclampsia on offspring autism-spectrum disorder (ASD) is not well established.

Aims

To examine the association between pre-eclampsia and ASD.

Method

PubMed, Embase and PsycINFO databases were searched. Pooled relative risks (RR) with 95% confidence intervals were calculated. Subgroup and sensitivity analyses were performed. Heterogeneity was assessed using Cochran's Q- and the I 2−test. The presence of publication bias was evaluated by Egger's test and visual inspection of the symmetry in funnel plots.

Results

Ten studies meet the inclusion criteria. The risk of ASD was 32% higher in offspring who had intrauterine exposure to pre-eclampsia compared with those not exposed (RR = 1.32, 95% CI 1.20–1.45). Sensitivity analysis revealed consistent pooled estimates ranging from RR = 1.30 (95% CI 1.17–1.44) to RR = 1.37 (95% CI 1.26–1.48). We found no significant heterogeneity and evidence of publication bias.

Conclusion

Pre-eclampsia increased the risk of ASD in offspring. The finding suggests a need for early screening for ASD in offspring of women with pre-eclampsia.

Declaration of interest

None.

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Copyright

Corresponding author

Correspondence: Berihun Assefa Dachew, The University of Queensland, Institute for Social Science Research, Indooroopilly Qld 4068, Australia. Email: b.dachew@uq.edu.au

References

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Pre-eclampsia and the risk of autism-spectrum disorder in offspring: meta-analysis

  • Berihun Assefa Dachew (a1), Abdullah Mamun (a2), Joemer Calderon Maravilla (a3) and Rosa Alati (a3)
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