How accurate is a negative syphilis test result taken at 10 weeks? do tests ever turn positive between weeks 10 - 12?

Need to know exact test done. I would contact the lab. They should know.

Visit these sites for information and talk to the doctor who ordered the tests: Syphilis window period: https://www.e7health.com/post/155/std-test-window-when-should-i-get-tested/#:~:text=The%20average%20window%20period%20or,it%20develops%20in%20three%20stages. https://www.cdc.gov/std/syphilis/stdfact-syphilis-detailed.htm