Heidi Kilgariff discovered 20 months ago that she is carrier of the BRCA 1 gene, giving her an 85% chance of getting breast cancer and a 60% of contracting ovarian cancer.
Mrs Kilgariff, of Crown Wood, said: "When I initially found out I could have the gene I wanted to bury my head in the sand and forget about it, but then I realised the last thing I wanted was to not be around to see my children grow up."
In order to reduce her risk of getting cancer, Mrs Kilgariff has opted for preventative surgery and will have both her breasts taken out in January and her ovaries later in 2013.
She and friend Vicki Dennis - who has congential muscular dystrophy - have been fundraising to raise awareness about the gene and to encourage people to get tested.
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