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There are two basic types of DNA testing that can be done before delivery. These include amniocentesis and CVS, or Chorionic Villus Sampling. An amniocentesis is generally performed during the second trimester of pregnancy. Typically, it would take place between the 14th and the 20th week of pregnancy.
It is possible to conduct a DNA test without the motherâs consent, but it is not likely to hold up in a court situation. If a child is under 18, the mother is usually required to provide consent in order to go through with the testing. If the child in question is over 18, then the motherâs consent is not required. If the DNA test in question is merely for curiosityâs sake, the test can be physically performed. However, if you are seeking to perform a paternity test for legal reasons, the motherâs consent is almost always required.