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Exposure to cortisol-like medications before birth may contribute to emotional problems and brain changes
Date:11/1/2013

iagnosed with mood and anxiety disorders.

"Fetal exposure to a frequently administered stress hormone is associated with consequences for child brain development that persist for at least 6 to 10 years. These neurological changes are associated with increased risk for stress and emotional problems," Davis explained of their findings. "Importantly, these findings were observed among healthy children born full term."

Although such a finding does not indicate that glucocorticoids 'caused' these changes, the researchers did determine that the findings can't be explained by any obvious confounding differences between the groups. The two groups did not differ on weight or gestational age at birth, apgar scores, maternal factors, or any other basic demographics. Thus, the findings do suggest that glucocorticoid administration may somehow alter the trajectory of brain development of exposed children.

"This study provides evidence that prenatal exposure to stress hormones shapes the construction of the fetal nervous system with consequences for the developing brain that persist into the preadolescent period," she added.

"This study highlights potential links between early cortisol exposure, cortical thinning and mood symptoms in children. It may provide important insights into the development of the brain and the long-term impact of maternal stress," commented Dr. John Krystal, Editor of Biological Psychiatry.


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Contact: Rhiannon Bugno
Biol.Psych@utsouthwestern.edu
214-648-0880
Elsevier
Source:Eurekalert

Page: 1 2

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