The cost of the test can vary greatly due to the reason for the DNA test and the specific items. If a woman is due to an abnormal Down’s syndrome screening at 16 weeks of pregnancy and needs a non-invasive DNA test, the cost is relatively inexpensive at that point, usually around$2,000. However, if the woman is due to multiple abnormalities and needs a comprehensive chromosomal test, the cost is more expensive, usually around$3800. It is recommended that both spouses should have their chromosomes checked at the same time, because it is not only the woman who causes the abortion, but also the man. It is more convenient to do the DNA test, which can be done directly by drawing venous blood on an empty stomach.