I feel different🦋🦋

My head feels heavy i have had strong headache for 3 days now sometmes i feel like literally fainting i have slight feeling of fainting but i put myself together i feel like ghost walkng around... 😏my period is due in a week am I pregnant? Or its not can it be early pregnancy symtomp or anyone had symtomp like doesnt however i dont feel good i never had this kind a symtomp ever before period idk whats wrong? Could you help me 💕💕