symmetrical IUGR (compared with asymmetrical IUGR)

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Causes of symmetrical IUGR include:

  • idiopathic
  • chromosomal abnormalities
  • TORCH infections
  • maternal smoking
  • maternal alcohol/opiate abuse
  • chronic maternal nutritional deficiency
  • ionising radiation
  • sickle cell disease

Causes of asymmetrical IUGR include:

  • idiopathic
  • pre-eclampsia
  • maternal renal or cardiac disease
  • mutiple gestation

Last reviewed 01/2018