Non-invasive refers to non-invasive DNA prenatal testing, pregnant women 36 years old check everything is normal, it is also necessary to do non-invasive DNA prenatal testing, but this test is not a mandatory requirement, but also can be selected by the pregnant woman herself. Generally women over 35 years of age belong to the advanced maternal age, the probability of pregnancy malformation is relatively large, in order to be safe it is recommended to carry out non-invasive DNA prenatal testing, but DNA screening is not as accurate as amniocentesis results. Non-invasive DNA prenatal testing, most regions belong to a kind of self-funded examination program, there is no clear hard and fast rules, whether you need to check or not, can also be a pregnant woman’s own choice. Therefore, pregnant women 36 years old check everything is normal, whether you need to carry out invasive DNA testing, but also need to be in the doctor’s interview combined with the pregnant woman’s family history, their own conditions and other comprehensive judgment.