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Foetal nutrition, foetal growth restriction and health later in life

T Henriksen1

  • 1Institute for Nutrition Research and Department of Obstetrics and Gynecology, University of Oslo, Norway.

Acta Paediatrica (Oslo, Norway : 1992). Supplement
|July 27, 1999
PubMed

Insights

Small for gestational age (SGA) and intrauterine growth retardation (IUGR) are distinct concepts. Current methods for identifying fetal growth issues are too crude, necessitating advanced biophysical and biochemical measures for better risk assessment.

Area of Science:

  • Perinatal Medicine
  • Fetal Development
  • Neonatal Health

Background:

  • Retarded intrauterine growth is associated with increased risks of perinatal mortality, morbidity, sudden infant death, and long-term health issues.
  • Current clinical and epidemiological studies often rely on crude neonatal size parameters like weight and ponderal index to assess fetal growth.
  • Existing parameters are insufficient for accurately identifying fetuses at risk for short- and long-term health problems.

Purpose of the Study:

  • To critically discuss the concepts of growth retardation used in clinical and epidemiological studies.
  • To differentiate between small for gestational age (SGA) and intrauterine growth retardation (IUGR).
  • To highlight the limitations of current assessment methods and propose improvements for identifying at-risk fetuses.

Main Methods:

  • Review and conceptual discussion of existing literature on intrauterine growth retardation.
  • Analysis of the limitations of commonly used neonatal size parameters (e.g., weight, ponderal index).
  • Exploration of the potential of advanced biophysical and biochemical measurements for improved fetal assessment.

Main Results:

  • Small for gestational age (SGA) is a size parameter that does not always reflect restricted fetal growth and has limited value.
  • Intrauterine growth retardation (IUGR), defined as retarded fetal growth rate, may still be too crude a criterion for selecting fetuses with health risks.
  • Different causes of IUGR (e.g., maternal nutrition vs. placental function) can have varying effects on fetal outcomes.

Conclusions:

  • There is a need to move beyond crude size parameters for assessing fetal growth and associated health risks.
  • Advanced biophysical and biochemical measurements are crucial for better selection of fetuses and infants affected by IUGR.
  • Future research should focus on the biology of fetal development and the intrauterine environment to better understand long-term health risks.

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