Chromosomes are substances within cells that are hereditary in nature and are essentially deoxyribonucleic acids. Pregnant couples with primary and secondary infertility, a history of recurrent miscarriages, a history of fetal malformations, or a family history of genetic disorders can find the cause through chromosome testing. The cost of a chromosome test is usually about 800 yuan, and it is best to inquire about the exact price at your local hospital. You should choose a regular hospital for the test, and the results will be relatively accurate. Chromosome test is usually a blood test, do not need to fasting, its results are not seen abnormal chromosome report results are 46, XX and 46, XY, abnormal results include the number of abnormalities and structural abnormalities. Embryos with chromosomal abnormalities are highly susceptible to miscarriage, so the detection rate is higher in people with recurrent miscarriages. Chromosomal abnormalities cannot be cured and are best treated symptomatically under the guidance of a genetic counselor.