Evidence map›Paper›PMID 34347372›Full record

ArticleObesity (Silver Spring, Md.)2021

Maternal prepregnancy weight and gestational weight gain in association with autism and developmental disorders in offspring.

Susana L Matias, Michelle Pearl, Kristen Lyall, Lisa A Croen, Tanja V E Kral, Daniele Fallin, Li-Ching Lee, Chyrise B Bradley, Laura A Schieve, Gayle C Windham

Open access · greenAbstract read
In one paragraph

Article in Obesity (Silver Spring, Md.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
4.0field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

  1. Pooled it
  2. A Review of the Effects of Maternal and Paternal Obesity on Neurodevelopmental Disorders and Related Neurobiology in Rodent and Human Offspring.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2026
    Review
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  13. The Autism Spectrum Disorder and Its Possible Origins in Pregnancy.International journal of environmental research and public health · 2024
    Review
  14. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 8 institutions in 1 country.

Susana L MatiasDepartment of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA.ORCID 0000-0002-3635-7445
Michelle PearlEnvironmental Health Investigation Branch, California Department of Public Health, Richmond, California, USA.ORCID 0000-0001-8812-4283
Kristen LyallAJ Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania, USA.
Lisa A CroenDivision of Research, Kaiser Permanente, Oakland, California, USA.
Tanja V E KralDepartment of Biobehavioral Health Sciences, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Daniele FallinDepartment of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
Li-Ching LeeDepartment of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
Chyrise B BradleyDepartment of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA.
Laura A SchieveNational Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
Gayle C WindhamEnvironmental Health Investigation Branch, California Department of Public Health, Richmond, California, USA.
California Department of Public Health · USJohns Hopkins University · USCenters for Disease Control and Prevention · USDrexel University · USKaiser Permanente · USNeurobehavioral Systems · USUniversity of California, Berkeley · USUniversity of North Carolina at Chapel Hill · US

Funding

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6 · The paper itself

Abstract

objectiveMaternal prepregnancy BMI and gestational weight gain (GWG) are examined in relation to autism spectrum disorder (ASD) and other developmental disorders (DD) in offspring in a multisite case-control study.

methodsMaternal prepregnancy BMI, obtained from medical records or self-report, was categorized as underweight, normal weight, overweight, obesity Class 1, or obesity Class 2/3. GWG was standardized for gestational age (GWG z score), and the rate (pounds/week) was categorized per adherence with clinical recommendations. Logistic regression models, adjusting for demographic factors, were used to assess associations with ASD (n = 1,159) and DD (n = 1,617), versus control children (n = 1,633).

resultsMaternal obesity Class 2/3 was associated with ASD (adjusted odds ratio [AOR] = 1.87, 95% CI: 1.40-2.51) and DD (AOR = 1.61, 95% CI: 1.22-2.13). GWG z score was not associated with DD (AOR = 1.14, 95% CI: 0.95-1.36), but the GWG z score highest tertile was associated with higher odds of ASD, particularly among male children (AOR = 1.47, 95% CI: 1.15-1.88).

conclusionsResults indicate that maternal prepregnancy severe obesity increases risk of ASD and DD in children and suggest high gestational-age-adjusted GWG is a risk factor for ASD in male children. Because maternal BMI and GWG are routinely measured and potentially modifiable, these findings could inform early interventions for high-risk mother-child dyads.

Indexed as

Autism Spectrum DisorderAutistic DisorderGestational Weight GainBody Mass IndexCase-Control StudiesChildDevelopmental DisabilitiesFemaleHumansMaleOverweightPregnancyWeight Gain

Identifiers

PMID34347372
PMCPMC9186321
OpenAlexW3191918900

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.