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Updated: Sep 3, 2025

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System
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Impact of prenatal opioids on cardiac and autonomic development: systematic review and meta-analysis

Meghan P Howell1, Carlie A Wiseman2, Maya Z Rosen3

  • 1Department of Pediatrics, Tulane University School of Medicine, New Orleans, LA, USA. mhowell2@tulane.edu.

Journal of Perinatology : Official Journal of the California Perinatal Association
|July 29, 2022
PubMed

Insights

Prenatal opioid exposure is linked to lower fetal heart rates, impacting neonatal development. Further research is needed to understand the clinical significance of these cardiac and autonomic effects.

Area of Science:

  • Cardiology
  • Neonatal Physiology
  • Developmental Neuroscience

Background:

  • Prenatal opioid exposure has quadrupled, with insufficient data on neonatal physiological effects.
  • Understanding the impact on fetal and neonatal cardiac and autonomic systems is crucial.

Approach:

  • Systematic review adhering to PRISMA Guidelines.
  • Comprehensive literature search across major databases (PubMed, Embase, CINAHL, Web of Science).
  • Inclusion of 20 studies covering fetal/neonatal cardiac outcomes, autonomic function, and clinical measures.

Key Points:

  • Meta-analysis of 3 studies (210 subjects) focused on fetal heart rate.
  • Opioid-exposed fetuses exhibited significantly lower heart rates compared to controls.
  • Data suggests a potential association between prenatal opioid use and altered fetal cardiac function.

Conclusions:

  • Prenatal opioid exposure is associated with reduced fetal heart rate.
  • Further investigation is warranted to determine the clinical implications for neonatal health.
  • This review highlights critical areas for future research in developmental toxicology.

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