So , my last period was November 22nd. Never started in December, and haven't started this month either. Sense yesterday my boobs started hurting. I feel dizzy , nauseous , been getting hot flashes , and headaches , I seem to feel better when I lay down. But when I get up I automatically feel nauseous , do you think it's AF knocking on my door , or should I keep testing until I get AF , if I do .