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Intrauterine growth restriction (IUGR): biometric and Doppler assessment
Henry L Galan1, Enrico Ferrazzi, John C Hobbins
1Department of Obstetrics and Gynecology, University of Colorado Health Sciences Center, Denver 80262, USA. Henry.Galan@UCHSC.edu
Insights
Intrauterine growth restriction (IUGR) management improves with advanced fetal circulation Doppler studies. This review offers tools for diagnosing IUGR, dating pregnancies, and assessing fetal well-being for better delivery timing.
Area of Science:
- Perinatology
- Fetal Medicine
- Reproductive Biology
Background:
- Intrauterine growth restriction (IUGR) is a significant pregnancy complication impacting long-term health.
- Traditional IUGR management relies on biophysical testing and umbilical artery Doppler.
- Emerging fetal central circulation Doppler studies offer new insights.
Purpose of the Study:
- To provide diagnostic tools for intrauterine growth restriction (IUGR).
- To improve dating accuracy for IUGR pregnancies with poor dating criteria.
- To enhance fetal condition assessment in IUGR cases for optimized delivery timing.
Main Methods:
- Review of current antenatal biophysical testing and umbilical artery Doppler studies.
- Analysis of recent Doppler studies focusing on fetal central circulation (intracardiac flows, ductus venosus).
- Inclusion of a brief review of animal models of IUGR for research direction.
Main Results:
- Advanced Doppler studies of fetal central circulation can refine IUGR assessment.
- Improved diagnostic and dating tools for IUGR pregnancies are presented.
- Enhanced fetal assessment aids in determining optimal timing for delivery.
Conclusions:
- Utilizing advanced fetal circulation Doppler studies can lead to better management of IUGR.
- This review equips clinicians with tools for more accurate IUGR diagnosis, dating, and fetal assessment.
- Research into animal models may inform future therapeutic interventions for IUGR.
Abstract:
Intrauterine growth restriction (IUGR) is a common complication in pregnancy and influences morbidity and mortality at all stages of life. Historically, the management of IUGR has been dependent on antenatal biophysical testing and umbilical artery Doppler studies. With recent Doppler studies of the fetal central circulation, including intracardiac flows and the ductus venosus, better timing of delivery to minimize morbidity may be possible. This review will provide the reader with tools to diagnose IUGR, more accurately date the IUGR pregnancy with poor dating criteria, and better assess the condition of the IUGR fetus. A brief review of animal models of IUGR is presented to demonstrate research directions for answering human clinical questions and potentially carrying therapeutic intervention from the bench to the bedside.