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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Risk of malignancy (approximate figures):

  • 10/10,000 - undescended testes found in the groin
  • 50/10,000 - undescended testes found in the abdomen


  • unilateral undescended testes - 30% are subfertile
  • bilateral undescended testes - 60% are infertile

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