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Updated: Oct 14, 2025

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

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Recent research on the influence of intrauterine growth restriction on the structure and function of the nervous

Yi-Jia Zhang1

  • 1Department of Pediatrics, Peking University Third Hospital, Beijing 100191, China.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|November 10, 2021
PubMed

Insights

Intrauterine growth restriction (IUGR) impacts newborns, causing small for gestational age (SGA) infants. These infants face higher risks of death and neurological issues, but early intervention may improve outcomes.

Area of Science:

  • Neonatalogy
  • Developmental Pediatrics
  • Neuroscience

Background:

  • Intrauterine growth restriction (IUGR) affects fetal development, often resulting in small for gestational age (SGA) infants.
  • SGA infants exhibit increased risks of perinatal mortality and morbidity.
  • Neurological complications, including reduced brain volume and abnormal imaging, are observed in IUGR fetuses.

Purpose of the Study:

  • To review the neurological implications of IUGR and SGA.
  • To discuss the intrauterine blood flow redistribution mechanism and its clinical significance.
  • To highlight the long-term neurodevelopmental risks and the potential benefits of early intervention.

Main Methods:

  • Literature review of studies on IUGR, SGA, and neurodevelopmental outcomes.
  • Analysis of evidence regarding fetal brain development and protective mechanisms.
  • Synthesis of data on cognitive, motor, language, and behavioral functions in affected children.

Main Results:

  • IUGR is associated with structural brain changes in utero, including decreased brain and gray matter volumes.
  • Fetal blood flow redistribution aims to protect the brain, but its clinical efficacy remains debated.
  • SGA infants demonstrate elevated risks for neurodevelopmental deficits throughout childhood.

Conclusions:

  • IUGR poses significant risks to fetal brain development and long-term neurodevelopmental outcomes.
  • Understanding the brain-sparing mechanisms in IUGR is crucial for clinical management.
  • Early interventions are vital for mitigating neurological impairments in SGA infants.

Keywords:
Intrauterine growth restrictionNervous systemPrognosisSmall for gestational age infant

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