Sometimes this does occur for a unknown reason. However you do need to see your Doctor to find out what's going on.
nothing is wrong, it is normal. some girls may have it for a month or a week. fact is; all girls are different
Not normally
it depend did you have sex
Well it could be that you are pregnant, so take a test. But you could just have had a short period
it probably wasn'tyour period. Something else could have happened
Most probably not, even with such a short period.
you might be
Possibly, yet the idea that you had your period, no matter how long is encouraging.
Some women experience irregular periods, but if there is a chance you are pregnant, your "period" could actually be spotting.
Yes. You should tell your Dr so that they can preform an ultrasound to provide you with more accurate dating.
You could be ovulating, bu I am not a doctor.
Your period
Yes, it could be. Take a test if your period doesn't arrive