The Hypothalamic-Pituitary-Adrenal Axis and the Fetus.

Abstract:

:Glucocorticoids (GCs), cortisol in humans, influence multiple essential maturational events during gestation. In the human fetus, fetal hypothalamic-pituitary-adrenal (HPA) axis function, fetal adrenal steroidogenesis, placental 11β- hydroxysteroid dehydrogenase type 2 activity, maternal cortisol concentrations, and environmental factors impact fetal cortisol exposure. The beneficial effects of synthetic glucocorticoids (sGCs), such as dexamethasone and betamethasone, on fetal lung maturation have significantly shifted the management of preterm labor and threatened preterm birth. Accumulating evidence suggests that exposure to sGCs in utero at critical developmental stages can alter the function of organ systems and that these effects may have sequelae that extend into adult life. Maternal stress and environmental influences may also impact fetal GC exposure. This article explores the vulnerability of the fetal HPA axis to endogenous GCs and exogenous sGCs.

journal_name

Horm Res Paediatr

authors

Morsi A,DeFranco D,Witchel SF

doi

10.1159/000488106

subject

Has Abstract

pub_date

2018-01-01 00:00:00

pages

380-387

issue

5

eissn

1663-2818

issn

1663-2826

pii

000488106

journal_volume

89

pub_type

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