7 weeks cramping and bleeding

Just found out I was pregnate last Sunday I've been having cramps on n off since then some heavy cramps some light cramps erlier today I went to pee n seen blood not spotting. blood dark red looked like AF ofcorse panicked I've been laying down since I put a pad it started to get lighter and lighter now I've filled it maybe 50% and it's getting heavier but not pouring out my first doctors apointment is tomarrow I just cannot sleep and I keep crying I'm so so worried and hurt I've waited so long for this mirical baby and now this is just killing me...  please let me know if this happened to you or somone you know :(