girl has period

(ur in class when u have ur period) y/n: can i go to the toliet the boys laugh draco: really u just went. teacher: Draco ur finally right, y/n u cant go. y/n: but- teacher: interrupts her but no y/n gets annoyed you cant go! y/n: I'm going anyways y/n leaves and goes to the toliet and grabs her pad, pain killers and a hot water bottle but after 45 mins after taking care of herself she gets knocked unconscious and she wakes up in the hospital bed