Where could one do a peternity test while pregnant?

It's not possible to perform a paternity test while a woman is pregnant. Paternity tests are typically conducted after a baby is born using DNA samples from the baby, the mother, and the alleged father. During pregnancy, the only type of testing that can be done is a prenatal paternity test, which is typically done through a chorionic villus sampling (CVS) or amniocentesis. These tests can provide information about the father's identity but are not as reliable as paternity tests performed after the baby is born.