The CPS of a pregnant woman effects the RA injury:

Accepted for publication by "International Journal of Psychophysiology":

Impulsive aggressiveness of pregnant women affects the development of the fetal heart
Running title: maternal mIED and the fetal heart
Stefan Koelsch1, Claudia Wiebigke2, Walter A. Siebel3, & Holger Stepan4
1 University of Sussex, Dpt. of Psychology, Brighton / UK
2 Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig / Germany
3 Conflict Research Center, Wiesbaden / Germany
4 Department of Obstetrics, University of Leipzig / Germany


Mounting evidence indicates that the development of the fetus is heavily influenced by the intra-uterine milieu during pregnancy, and that such influence may have life-long consequences for the individual. The intra-uterine milieu is not only influenced by nutritional factors, but also by maternal endocrine and autonomic activity. Such activity is prone to be affected by an individual’s personality, but only little is known about influences of maternal personality on the development of the fetus. We tested pregnant women for their propensity for impulsive, uncontrollable outbursts of temper, (referred to here as moderate Intermittent Explosive Disorder, mIED). After the women gave birth, we measured electrocardiograms (ECGs) from their newborn infants to compare ECGs between newborns of women with and without mIED. The data show that infants of women with mIED have larger QRS complexes in the electrocardiogram, and lower heart rate variability, compared to infants of women without mIED. These results reveal effects of maternal mIED on the fetal heart development. These effects may predispose the individual to increased risk for later cardio-vascular disease. The findings open perspectives for better risk prevention models for the unborn child.

Keywords: fetal programming; heart; mIED; impulsive aggression


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