Do chromosome tests require fasting?

No need to fast, because you can draw blood at any time, each time you need 3 to 5 ml venous blood. In addition, diet does not change the chromosome karyotype in the body, but diet should be lighter, which is conducive to cell culture. Chromosome detection can detect chromosome segment heterotopia, inversion, deletion, duplication and other chromosome structural abnormalities, and aneuploidy and other chromosome number abnormalities, such as Down syndrome, is chromosome 21 more than normal, so it is also called trisomy 21 syndrome. Congenital chromosome structure, or number abnormalities, can cause repeated abortion, infertility, corresponding genetic metabolic diseases. Check chromosome abnormality, can aim at the condition, formulate symptomatic treatment plan, do chromosome examination, it is necessary.