Did i have a miscarriage?

Hi i was wondering if i had a miscarriage. I had unprotected about 2 weeks ago and 2 days ago i had reallllyyyy bad cramps i think at least thats what they felt like. and after thoes crampsi had really bad bleeding and my period dosent come till the end of the month. Now i have been bleeding alot for 2 days and today i had like thick tissue or something come out and it was all dark red and slimmy. But also i had lite pinkish slime so im confused and dont know whats going on. HELP me please!