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. Author manuscript; available in PMC: 2009 Jun 22.
Published in final edited form as: Am J Obstet Gynecol. 2007 May;196(5):433–444. doi: 10.1016/j.ajog.2006.11.041

Table I.

Wigglesworth classification[5]

  1. Congenital defect/malformation (lethal or severe)

  2. Unexplained antepartum fetal death

  3. Death from intrapartum ‘asphyxia’, ‘anoxia’ or ‘trauma’

  4. Immaturity

  5. Infection

  6. Death due to other specific causes

  7. Death due to accident or non-intrapartum trauma

  8. Sudden infant death, cause unknown

  9. Unclassifiable