2. Prenatal paternity test is very important, which may determine the future direction of a marriage and a family and needs attention. A reliable institution can see whether the other party is formal, whether it has a business license, paternity test patents, laboratories, etc. You can go to Tianyan to check the other party's official website, Patent Network and other authoritative organizations to determine whether the other party is reliable.
3. Although you are in a small city in the north and want to do personal privacy appraisal, now basically authoritative paternity testing institutions will have service centers or blood collection points all over the country. You can contact the other party directly to collect blood, and the blood sample can be mailed to protect privacy.
That's my answer. I hope I can help you. Hope to adopt, thank you.