期刊
PSYCHONEUROENDOCRINOLOGY
卷 125, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2020.105106
关键词
HPA axis; Cortisol; Glucocorticoids; Pregnancy; Infant; Fetal programming
资金
- National Institutes of Health [HD-40967, NS-41298, MH-96889]
The study investigated the relationship between maternal prenatal cortisol levels and infant cortisol reactivity during inoculation. The results showed that elevated prenatal cortisol levels in mothers are associated with a larger cortisol response in infants at 6 and 12 months when faced with a challenging event.
One of the key proposed agents of fetal programming is exposure to maternal glucocorticoids. Experimental animal studies provide evidence that prenatal exposure to elevated maternal glucocorticoids has consequences for hypothalamic-pituitary-adrenal (HPA) axis functioning in the offspring. There are very few direct tests of maternal glucocorticoids, such as cortisol, during human pregnancy and associations with infant cortisol reactivity. The current study examined the link between maternal prenatal cortisol trajectories and infant cortisol reactivity to the pain of inoculation in a sample of 152 mother-infant (47.4% girls) pairs. The results from the current study provide insight into fetal programming of the infant HPA axis, demonstrating that elevated prenatal maternal cortisol is associated with a larger infant cortisol response to challenge at both 6 and 12 months of age.
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