no.
There is no magic way to "clear your system" of marijuana. As long as you don't use again before the test, you'll probably be okay.
Periods come and go, I wouldn't worry to much :)
You can be sued and your car repossessed.
Yes you could be, or you might not be.
You may have lost a lot of weight
a week
If you havent had your period in 7 months you probably need to go to the doctor, that is not normal.
Yes, but you might be pregnant again.
That's the most likely explanation.
No
Go to doctor