This may be implantation bleeding if it's light. If it gets heavy, you need to call your doc.
you have your period
if you have been smoking/drinking then this is a sign that it will be premature
This is implantation bleeding
Lots of blood is bad. If it is like a period, head for the doctor as soon as humanly possible.
if it is light that is one thing go to the doctor either way, it may or may not be serious
no you're not pregnant.
You have been pregnant for 22 weeks and should be delivering in approximately 17 weeks.
Implantation bleeding but doesn't always mean your pregnant though
It is possible that you are experiencing/did experience a miscarriage. Contact your healthcare provider immediately.
Go see a REAL doctor.