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Related Experiment Videos

Corticosteroids and pregnancy.

Peter J Trainer1

  • 1Department of Endocrinology, Christie Hospital, Manchester, United Kingdom.

Seminars in Reproductive Medicine
|January 22, 2003
PubMed
Summary

Pregnancy significantly alters the maternal hypothalamo-pituitary-adrenal (HPA) axis, impacting fetal development and labor timing. Managing HPA axis disorders like Cushing's syndrome or hypoadrenalism is crucial for successful pregnancy outcomes.

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Area of Science:

  • Endocrinology
  • Reproductive Medicine
  • Maternal-Fetal Medicine

Background:

  • Pregnancy induces substantial changes in the maternal hypothalamo-pituitary-adrenal (HPA) axis, affecting fetal growth and parturition timing.
  • Maternal cortisol secretion rises from the second trimester, with placental corticotrophin-releasing hormone regulating the fetal HPA axis for labor synchronization.
  • Fetal exposure to excess glucocorticoids can cause intrauterine growth restriction and potentially program adult cardiovascular disease.

Purpose of the Study:

  • To review the significant alterations in the maternal HPA axis during pregnancy.
  • To discuss the implications of HPA axis dysfunction (hypercortisolemia and hypoadrenalism) on pregnancy.
  • To highlight diagnostic and therapeutic considerations for managing HPA axis disorders in pregnant individuals.

Main Methods:

  • Literature review of studies on HPA axis function during pregnancy.
  • Analysis of biochemical assessment challenges, including estrogen-induced changes in cortisol-binding globulin.
  • Review of clinical outcomes and management strategies for hypercortisolemia and hypoadrenalism in pregnancy.

Main Results:

  • Maternal HPA axis undergoes significant changes, with placental involvement in regulating fetal HPA axis function.
  • Biochemical assessment of HPA axis is complicated by elevated cortisol-binding globulin, leading to potentially misleadingly high cortisol levels.
  • Cushing's syndrome in pregnancy increases maternal and fetal risks, but hypercortisolemia control improves outcomes; hypoadrenalism requires careful management for successful pregnancy.

Conclusions:

  • The HPA axis plays a critical role in pregnancy, influencing fetal development and labor.
  • Effective management of maternal HPA axis disorders, including Cushing's syndrome and hypoadrenalism, is essential for optimizing maternal and fetal well-being.
  • Accurate diagnosis and tailored treatment, including monitoring and dose adjustments, are key to successful pregnancy outcomes in women with HPA axis dysfunction.

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