aetiology

Last reviewed 01/2018

Much of intrauterine growth retardation is idiopathic. Other causes include:

Placental insufficiency:

  • pre-eclampsia
  • maternal smoking

Maternal malnutrition:

  • maternal alcoholism
  • poor diet
  • eating disorders

Foetal factors:

  • multiple pregnancy
  • intra-uterine infection
  • chromosomal abnormalities

Small for dates may also occur because the parent(s) are small, i.e. a normal variant.