HELP SERIOUS QUEATION BOUT AF!!!!

Cat
OK so I started my AF. Yesterday. Well today I went to change my girly. Thing and it's. Super. Super light...and yesterday. I had cramps like no other nothing was working from motrin. To heating. Pad... could I have been pregnant. And miscarried cus. My Af. Has never been like this before where the first day was heavy to barely. Anything the second. Day...