The list of possible causes is long and what is likely varies greatly depending on your personal situation. The one thing that is surely true is that you should see your doctor about it.
See a doctor ASAP!
Vaginal bleeding is period sweetie lol
There is only one symptom of vaginal bleeding - you bleed from your vagina. I'm not sure what it is you're asking here, vaginal bleeding is literally just that, there are no side-effects.
She got her first period.
that means you might have yeast infection
There is not enough information with the question to give an intelligent answer except to say, "If you experience sudden vaginal bleeding outside of your normal menses, seek immediate medical care." Carol, R.N.
Periods are dark red or brown of even black. Vaginal bleeding is light and could not fill a pad.
What do you mean by "wormlike structures"? Am not sure what you are asking.
that your hymen has been broken, or a miscarrage Ovarian Cyst.
Yes.
Blood comes out
Yes