| When is the appropriate period for paternity testing during pregnancy? Generally these testing needs to be done earlier in the pregnancy, however, the time chosen must be between the 10th and 13th week. A process such as this involves a doctor inserting a tube through h the female vagina. The process is guided by an ultrasound. The insertion is done to obtain villi. Since the fetus and chorionic villi emerge from the fertilized eggs, they have same genetic arrangements. |
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