It means that you have eyes, and that your period is very light.That's it, there's no reason to think there's something mysterious going on.
No, it is unlikely seeing as you are of two different species.
3-7 days--- try Tylenol or Motrin.
Yes, you can experience this during your cycle and during pregnancy.
yes becase she' s 13 and you can start your period at yhe age 8 but the normal age is 11-12
Well I have been seeing my period for the past three months with blood clots and I don't understand
Go see a doctor.
when your female sex cells develope or when u start seeing ur period
yes
So is this feature to hide stuff from other people seeing it?
not likely. some women mistake implantation bleeding as their period. if it was like a previous period, then it probably just came early; but if it was light spotting I'd recommend seeing your doctor for a blood pregnancy test.
could be a tubal pregnancy or other problem... may want to consider seeing a doctor.