Gestational diabetes & diabetes in pregnancy

In utero exposure to maternal diabetes or hypertension and childhood hypothalamic gliosis

Int J Obes (Lond)Published Cross-sectional study

Authors' conclusion

We concluded that children exposed to maternal DM in utero display evidence of hypothalamic gliosis, suggesting that gestational DM may have a distinct influence on offspring's brain development and, by extension, children's long-term metabolic health.

Study context

Population
Children aged 9–11 years enrolled in the ABCD Study
Participants
306 children
Exposure
In utero exposure to maternal DM or hypertension (HTN) vs unexposed
  • DM-exposedn = 49
  • HTN-exposedn = 53
  • Unexposedn = 204reference
Outcome
MBH/amygdala (AMY) T2 signal ratio on brain magnetic resonance imaging (MRI) (marker of MBH gliosis)
Methodological detailsage- and sex-matched (2:1), subsample of the ABCD Study
  • Age- and sex-matched (2:1)
  • Subsample of the ABCD Study

Main finding

As reported in the abstract

MBH/AMY T2 signal ratio

β

0.05

P = 0.02

DM-exposed

β

0.03

P = 0.13

HTN-exposed

Overall effect of group, F(2,300)
3.51 (p = 0.03)

Observational data: associations, not effects.

Original publication

In utero exposure to maternal diabetes or hypertension and childhood hypothalamic gliosis. Int J Obes (Lond). Published 25 January 2024. doi:10.1038/s41366-024-01463-0

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