You may have... cancer? Concult a doctor.
It could be that your period is early by a week
every so often but at least once a week
why my period is come every week and 3to 4 days.
There is not a problem if you start your period a week early. It is completely normal for this to happen.
what does it mean when you start spotting 6 days after your period has ended
Normal !
Probably nothing.
Then your done with you cycle for that month
I'm assuming once a month for a week..?
NO.
yes
You're pregnant