Predictive genetic test for cancer risk genes
Speak to your GP if cancer runs in your family and you're worried you may get it too.Theymay refer you to alocal geneticsservice foran NHSgenetictest, which will tell you if you have inheritedone of the cancer risk genes.
This type of testing is known aspredictive genetic testing. It's "predictive" becausea positive result means you have a greatly increased risk of developing cancer. It doesn't mean you have cancer or are definitely going to develop it.
You may be eligible for this NHS test if the faulty gene has already been identified in one of your relatives, or if there is a strong family history of cancer in your family. See What testing involves , below.
Cancer is not usually inherited, but some types mainly breast, ovarian, colorectal and prostate cancer can be strongly influenced by genes and can run in families.
Speak to your GP if cancer runs in your family and you're worried you may get it too.Theymay refer you to alocal geneticsservice foran NHSgenetictest, which will tell you if you have inheritedone of t
Not everyone who is eligible for the NHS test will want to have it. It's a personal decision, and should only be made after you've had genetic counselling sessions and talkedthrough what having the t
There are usually two steps to genetic testing: Arelative with cancer has a diagnostic blood test to see if they have a cancer risk gene (this normally must happen before any healthy relatives a
If your predictive genetic test result is positive, it means you have a faulty gene that raises your risk of developing cancer. It doesn'tmean you are guaranteed to get canceryour genes only partly i
If your test result is positive, you have arange of options to manage your risk. Risk-reducing surgery is not the only option. Ultimately, there's no right or wrong answer about what you should do it
Your genetics unit will not approach your relatives about your result it will usually be up to you to tell your family. You may be given a standard letter to share with relatives, which explains your
Cancer risk genes can be passed on to any children you have. If your predictive genetic test is positive and you want to start a family, you have several options. You can: Have your children withou
If there isn't a strong family history of cancer in your family and the faulty gene hasn't otherwise been identified in any of your relatives, you won't be eligible for the NHS genetic test. You'll h