Ho long does THC stay in your system?

i need to pass a oral drug test. an all i need to know is how long is THC detectable trough your salivaHo long does THC stay in your system?
Historical studies have shown a window of detection for THC in oral fluid of up to 14 hours after drug use.
THC is detectable for about thirty days.
I think a week but its alot more accurate than a piss test. But not sure all ive had to do is drop a piss
Dude.
It's like just there for the rest of you life, man.
Or somthing. It embeds in your chromosomes.
You're fv**ed. Your children will probably inherit chromosomal mutations.
1-10 days