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Can Med Assoc J. 1978 December 9; 119(11): 1307–1309.
PMCID: PMC1818557

Explorations hormonales dynamiques durant la grossesse: critique et interprétations cliniques.

Hormonal dynamics during pregnancy: critical discussion and clinical interpretations


Although the clinical interpretation of its results varies greatly among perinatologists, the dehydroepiandrosterone sulfate (DHEA-S) loading test has become an integral part of fetal monitoring in many centres dealing with high-risk pregnancies. Currently four main metabolic responses to administration of DHEA-S to the mother are monitored to predict the functional state of the fetoplacental unit: the metabolic clearance of DHEA-S, the metabolic clearance of DHEA-S into estradiol, the conversion of DHEA-S into estradiol or esterol, and the increase in the plasma concentrations of DHEA and androstenedione after administration of DHEA-S. This article critically reviews each of these responses and its possible clinical interpretation, and assesses the clinical future of the DHEA-S loading test.

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