This fact sheet contains general information. Each person should be referred to a genetic service for further information and advice about what a faulty ATM gene means for them. 

Key Points

  • Both men and women with one faulty ATM gene have an increased chance of developing cancer in adulthood. (See 'Facts for people and families with a faulty ATM gene' –
  • Both men and women with one faulty ATM gene can pass it on to their children. 
  • Children who inherit two faulty ATM genes (one from their mother and one from their father) develop a condition called ataxia-telangiectasia. 

This cancer genetics fact sheet is a guide only and cannot cover every possible situation. The information provided is not intended to replace discussion with a health professional, and should not be interpreted as medical advice. While eviQ endeavours to link to reliable sources that provide accurate information, eviQ and the Cancer Institute NSW do not endorse or accept responsibility for the accuracy, currency, reliability or correctness of the content of linked external information sources. Use of this document is subject to eviQ's disclaimer available at  

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13 Apr 2024