HELP IVE GONE TO DEEP

helppp i don’t know what to do i’ve gone really really deep much more than usual it’s gushing with blood and the blood is almost throbbing out with bubbles in it, the blood is deep red and won’t stop not matter how much pressure i put on. it’s a big gaping cut. i can’t tell my mum it’s not an option and i don’t have anything to use. it was a mistake and now i don’t know what to do it. it’s poring out everywhere there’s blood covering the floor it looks like a murder scene and fills up any kitchen roll i put on, someone help me please