really what the tests were designed to identify. it s when things get added that are these very rare microdeletion syndromes, which is what this article was about, that one gets into a case where many of the positives or most of the positives turn out to be false positives. when you are a mother and you go in to your doctor and the doctor says get the mat 25 which tests for the majority of the stuff, including down syndrome, but then the further genetic testing, what do you say to your doctor if they re suggesting this based on nothing more than, i don t know, your age or just because you want this information? the important thing about these other conditions, they re not associated with maternal age. they re just something that can be offered to any patient, as opposed to down syndrome that we all know is more likely in women who are older mothers. the microdeletions can happen to