Test results are most accurate 1 to 4 weeks after exposure.
They will be able to tell if you have symptoms of the infection but not if you don’t. However, you should tell your partner(s) if you have Trichomoniasis as your partner will need to be tested and may need to be treated. They may also be the source of the infection but be unaware.
No, Trichomoniasis does not affect fertility.