Your HIV test should be conclusive.
Syphilis isn't spread by blood, but by skin to skin contact. It can take up to 90 days to show positive on a blood test, but if you haven't had any symptoms yet, and she didn't have any visible sores on her mouth, you are probably fine.
Your hep B is probably conclusive, though technically it can take 9 weeks (60 days) to show positive. The average is 4 weeks. Have you been vaccinated against this? If you aren't sure, ask for a blood test to find out.
Hep C can take up to 9 weeks, so it's a really good chance that your 50 day test is conclusive. I wouldn't expect it to change.
If you won't be able to relax until everything is 100% conclusive, then test again in a few weeks, but I wouldn't expect anything to change.