Cited by 995Preterm Birth and ChorioamnionitisMaternal and Perinatal Health InterventionsPregnancy and preeclampsia studies

Endocrine and Paracrine Regulation of Birth at Term and Preterm*

Challis, John R.G., Matthews, Stephen G., Gibb, William, Lye, Stephen J.·2000·Endocrine Reviews

Abstract

We have examined factors concerned with the maintenance of uterine quiescence during pregnancy and the onset of uterine activity at term in an animal model, the sheep, and in primate species. We suggest that in both species the fetus exerts a critical role in the processes leading to birth, and that activation of the fetal hypothalamic-pituitary-adrenal axis is a central mechanism by which the fetal influence on gestation length is exerted. Increased cortisol output from the fetal adrenal gland is a common characteristic across animal species. In primates, there is, in addition, increased output of estrogen precursor from the adrenal in late gestation. The end result, however, in primates and in sheep is similar: an increase in estrogen production from the placenta and intrauterine tissues. We have revised the pathway by which endocrine events associated with parturition in the sheep come about and suggest that fetal cortisol directly affects placental PGHS expression. In human pregnancy we suggest that cortisol increases PGHS expression, activity, and PG output in human fetal membranes in a similar manner. Simultaneously, cortisol contributes to decreases in PG metabolism and to a feed-forward loop involving elevation of CRH production from intrauterine tissues. In human pregnancy, there is no systemic withdrawal of progesterone in late gestation. We have argued that high circulating progesterone concentrations are required to effect regionalization of uterine activity, with…

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Crossref · 10.1210/edrv.21.5.0407

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Authors
Challis, J. R. G., Matthews, S. G., Gibb, W., & Lye, S. J.
Affiliations
  • Mount Sinai Hospital (CA)
  • University of Toronto (CA)
  • University of Ottawa (CA)
Venue
Endocrine Reviews
Published
2000-10-01
Volume
21
Issue
5
Pages
514-550
ISSN
  • 0163-769X (ISSN-L)
  • 1945-7189
OpenAlex
W2129666165
Cited by
995
References
6
Citations by year
2026: 10 · 2025: 7 · 2024: 19 · 2023: 24 · 2022: 29 · 2021: 26 · 2020: 27 · 2019: 26 · 2018: 28 · 2017: 90 · 2016: 30 · 2015: 47 · 2014: 33 · 2013: 62 · 2012: 47
FWCI
7.18
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrine Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Preterm Birth and Chorioamnionitis
  • Health Sciences › Medicine › Obstetrics and Gynecology › Maternal and Perinatal Health Interventions
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
Keywords
childbirth, preterm labor, uterine quiescence, fetal hypothalamic-pituitary-adrenal axis, fetal cortisol, prostaglandin E2, placental estrogens, fetal membranes, corticotropin-releasing factor, progesterone, sheep model, primate pregnancy
MeSH terms
Adrenal Glands, Animals, Female, Fetal Organ Maturity, Homeostasis, Humans, Hydrogen-Ion Concentration, Hypothalamus, Labor, Obstetric, Obstetric Labor, Premature, Myometrium, Pituitary Gland, Pregnancy, Uterine Contraction, Uterus, Paracrine Communication

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