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Malformations associated with maternal diabetes

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

It is important to note that the risk of malformation is not necessarily linked to the control of the diabetes; however the sensitivity may be maximal in the first timester.

Malformations include:

  • caudal regression sequence
  • congenital heart disease; principally ventricular septal defect, coarctation of the aorta and transposition of the great arteries.
  • congenital microcolon
  • the ears may be hairy; this is of no clinical significance

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