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What is a prenatal paternity test?

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A prenatal paternity test is a DNA testing that occurs during pregnancy to establish the paternity of an unborn child, according to the American Pregnancy Association. Options for this procedure include non-invasive prenatal paternity tests, amniocentesis and chorionic villus sampling.

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The non-invasive prenatal paternity test requires blood samples from the mother and the alleged father and can take place after the eighth week of pregnancy. Doctors can perform amniocentesis between the 14th and 20th weeks of pregnancy. It tests a small amount of amniotic fluid from the uterus. Chorionic villus sampling is the extraction and testing of chorionic villi, which are pieces of tissue on the wall of the uterus, between the 10th and 13th week of pregnancy, states the American Pregnancy Association.

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