In ancient times, there was a saying of blood dripping to identify relatives, but in fact, this has no scientific basis. If you want to do a paternity test, you should adopt scientific methods. Modern paternity testing is relatively accurate and not difficult to do. If you want to do a paternity test during pregnancy, how should you do it?
Firstly, non-invasive paternity testing is adopted, and its principle is the same as non-invasive DNA. Firstly, the peripheral blood of the pregnant woman is extracted, and then the fetal DNA is extracted from the peripheral blood. The fetal DNA is compared with the male DNA to determine whether there is a parent-child relationship between the fetus and the male. The accuracy of this identification can reach 99%.
Secondly, amniotic fluid paternity testing generally involves collecting amniotic fluid through amniocentesis, isolating and culturing the exfoliated cells in the amniotic fluid, which also represent the DNA and chromosomes of the fetus. After further extracting the fetal DNA, it can be compared with the male DNA to achieve the purpose of identification. Moreover, the accuracy of this identification method is very high, reaching 99.99%, which is exactly the same as the test results after the birth of the fetus.
Both non-invasive DNA and amniotic fluid paternity testing have high accuracy because they require extracting fetal DNA, which can be done during pregnancy without waiting for the birth of the fetus. For those in need, they can choose the appropriate identification method based on their physical condition and needs.
