I need help!!

Ruth
I was supposed to start my period Last week but I never know if my period very irregular but lately they've been going back regular but anyways lately I've been really moody and my boobs have been hurting a lot and I'm very wet downstairs for the past 3 weeks I took a test the test said no but I don't know if I took it too soon or not because I can't remember exactly when do for a period??? 😕