Who Can’t Use DNA Tests
Are there any groups of people who aren’t able to use this type of DNA testing? Yes, some individuals can’t. There may be certain people who are currently undergoing medical treatment. It could affect their white blood cell count.
An example of this is chemotherapy. People who are undergoing chemotherapy have been advised that they should only do the test two weeks after their last treatment, or they can wait until their white blood cell count is normal.