What materials need to be prepared? Personal paternity test is not public, just let the parties know the result. Of course, the client also has the right to choose not to show any certificates, and he can take samples himself and send them to the appraisal center for the staff. This is a personal appraisal, and the appraisal result can also be used as the basis of litigation, but it cannot be used as evidence in court.
Judicial paternity test is completely open and requires the consent of both parents or children. If one party does not agree, the test cannot be carried out, and both parties need to be present at the same time, carrying relevant information, such as household registration book and ID card. And this test was taken by the staff on the spot. This test can be used as evidence in court, but the cost of this test is higher than that of ordinary personal tests.
No matter what kind of paternity test you do, you still need to choose a reliable appraisal institution. Good medical institutions can provide accurate information and the cost is not high. If you choose a black clinic, the result is hard to say. Moreover, it is best to communicate with your family. After all, this kind of thing is done to prove that the child is his own, but if it is not necessary, it will be a blow to the wife. A wife will think that her husband doesn't believe in himself, which will damage family relations, so she needs to be fully prepared before doing it.
This is all my answer to this question. I hope it will help you to some extent, and I hope your life will be happier and happier. Thank you.