migraines

Madison
Iv been having super bad periods they keep getting worse and scared I might have endometriosis 
Last night and today are the very first times I have had super bad migraines during my period 
So bad that I had terrible abdominal pain and almost vomited 
Now my whole body is in pain 
I keep passing huge blood clots 
My boyfriend as alway is very encouraging and is now wanting me to go get checked out 
Granted I am 19 and a senior in highschool my parents r divorced and fight over medical bills. I don't wanna go a get huge bill and listen to them complain . I also wanna get better . I need advice , not rude comments