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

W A Price1, A D Stiles

  • 1University of North Carolina at Chapel Hill.

Current Opinion in Pediatrics
|April 1, 1994
PubMed

Insights

Peptide growth factors are crucial for fetal development, influencing cell communication and tissue growth. Maternal factors like nutrition and immune activation also impact fetal growth, with less known about immune effects.

Area of Science:

  • Developmental Biology
  • Perinatal Medicine
  • Cellular Signaling

Background:

  • Fetal and neonatal cellular proliferation and differentiation are influenced by numerous factors.
  • Peptide growth factors are increasingly recognized for their critical roles in fetal cell-to-cell communication, promoting proliferation, differentiation, and migration.
  • Growth factor activity is dynamic, varying with gestational timing, receptor expression, and the interplay of other growth factors.

Purpose of the Study:

  • To review recent literature on factors influencing fetal and neonatal growth.
  • To highlight the role of peptide growth factors in fetal development.
  • To discuss the impact of maternal factors, including nutrition, substance exposure, and immune activation, on fetal growth, and to address postnatal growth standards for premature infants.

Main Methods:

  • Literature review of recent publications.
  • Synthesis of existing research on growth factors, nutritional influences, maternal exposures, and immune system activation.
  • Discussion of current understanding and knowledge gaps in perinatal growth regulation.

Main Results:

  • Peptide growth factors are key mediators of fetal tissue development.
  • Nutritional status significantly regulates growth factor production and subsequent fetal growth.
  • While effects of tobacco and caffeine are known, the impact of low-grade maternal immune activation on fetal growth requires further investigation.
  • Postnatal growth standards for premature infants remain inadequate.

Conclusions:

  • Peptide growth factors are essential for normal fetal development.
  • Maternal nutrition and immune status are critical modulators of fetal growth.
  • Further research is needed to elucidate the effects of maternal immune activation and to establish appropriate growth standards for premature infants.

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