Non-invasive DNA testing – the reason why it is not recommended by hospitals Non-invasive DNA testing is a genetic testing method that has received widespread attention in recent years. It obtains fetal genetic material through non-invasive methods (such as blood, amniotic fluid, etc.) and can accurately predict the fetus. Gender and risk of certain genetic diseases. Although non-invasive DNA testing facilitates people\’s family planning to a certain extent, hospitals do not recommend this kind of testing.