Hi, I'm 27 weeks preggo..and ive been having thus really bad migraines.since friday..they have been making me feel nauseous, and dizzy .i have my appt wednsday..and I havent called my ob, I wanted to wait till then but these stupid headaches wont go away..ive been taking tylenol for the pain..but I dont if I should go see my dr today..theyll probably tell me to keep taking tylenol..please help dont know what to do.