Impact of High Maternal Body Mass Index on Fetal Cerebral Cortical and Cerebellar Volumes
Open accessAbstract
Objectives: Maternal obesity increases a child’s risk of neurodevelopmental impairment. However, little is known about the impact of maternal obesity on fetal brain development. Methods: We prospectively recruited 20 healthy pregnant women across the range of pre-pregnancy or first-trimester body mass index (BMI) and performed fetal brain magnetic resonance imaging (MRI) of their healthy singleton fetuses. We examined correlations between early pregnancy maternal BMI and regional brain volume of living fetuses using volumetric MRI analysis. Results: Of 20 fetuses, there were 8 males and 12 females (median gestational age at MRI acquisition was 24.3 weeks, range: 19.7–33.3 weeks, median maternal age was 33.3 years, range: 22.0–37.4 years). There were no significant differences in clinical demographics between overweight (OW, 25≤BMI<30)/obese (OB, BMI≥30 kg/m 2 ) (n=12) and normal BMI (18.5≤BMI<25) (n=8) groups. Fetuses in the OW/OB group had significantly larger left cortical plate (p=0.0003), right cortical plate (p=0.0002), and whole cerebellum (p=0.049) compared to the normal BMI group. In the OW/OB BMI group, cortical plate volume was larger relative to other brain regions after 28 weeks. Conclusions: This pilot study supports the concept that maternal obesity impacts fetal brain volume, detectable via MRI in living fetuses using quantitative analysis.
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Maternal obesity impacts fetal brain volume.
“Recently, it has been highlighted that maternal obesity impacts fetal brain volume [71].”
From Maternal Overnutrition and Fetal Programming: Long-Term Metabolic, Cognitive, and Epigenetic Consequences (2026) · cites this paper as [71]
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Faraone, S. V., Banaschewski, T., Coghill, D., Zheng, Y., Biederman, J., Bellgrove, M. A., Newcorn, J. H., Gignac, M., Al Saud, N. M., Manor, I., et al. (2021) · Neuroscience & Biobehavioral Reviews · doi:10.1016/j.neubiorev.2021.01.022 · Cited by 1,545 · see citing works
Maternal body mass index before pregnancy as a risk factor for ADHD and autism in children
Andersen, C. H., Thomsen, P. H., Nohr, E. A., & Lemcke, S. (2018) · European Child & Adolescent Psychiatry · doi:10.1007/s00787-017-1027-6 · Cited by 113 · see citing works
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Schiera, G., Macajone, G., Volpes, S., Greco, L., Di Liegro, C. M., Serio, G., Caradonna, F., & Naselli, F. (2026) · Cells · doi:10.3390/cells15040366 · Cited by 8 · see citing works
- Authors
- Takeoka, E., Carlson, A. A., Madan, N., Azimirad, A., Mahmoud, T., Kitano, R., Akiyama, S., Yun, H. J., Tucker, R., Im, K., O’Tierney-Ginn, P., & Tarui, T.
- Affiliations
- Tufts Medical Center (US)
- Mass General Brigham (US)
- Boston Children's Hospital (US)
- Women & Infants Hospital of Rhode Island (US)
- Corresponding author
- Tarui, Tomo
- ORCID
- Venue
- Journal of Perinatal Medicine
- Publisher
- Walter de Gruyter GmbH
- Published
- 2025-01-06
- Volume
- 53
- Issue
- 3
- Pages
- 376-386
- ISSN
- 0300-5577 (ISSN-L)
- 1619-3997
- PMC
- PMC13379884
- OpenAlex
- W4406045480
- Cited by
- 3
- References
- 2
- Citations by year
- 2026: 2 · 2025: 1
- FWCI
- 4.57
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Journal of Perinatal Medicine (publishedVersion, cc-by)
- PubMed (publishedVersion)
- PubMed Central (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Susan Saltonstall Foundation
- National Center for Advancing Translational Sciences (Tufts Clinical Translational Science Institute)
- National Institute of Child Health and Human Development (K23HD079605)
- Topics
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
- Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
- Keywords
- maternal obesity, maternal body mass index, fetal brain development, fetal brain volume, cerebral cortex, cerebellum, cortical plate, prenatal MRI
- MeSH terms
- Pregnancy in Obesity, Adult, Cerebellum, Cerebral Cortex, Female, Gestational Age, Humans, Magnetic Resonance Imaging, Male, Organ Size, Pregnancy, Prospective Studies, Body Mass Index, Fetal Development, Young Adult
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