Mama, please see your doctor soon, lalo na with the constant headaches and chills, kailangan nyang i-check properly even without fever, okay? Hindi ko ma-say kung normal ito para sa iyo kasi bawat pregnancy ay iba, and these symptoms together need a professional assessment. A few of us mums experienced headaches early on, pero laging tinanong namin agad ang OB para ma-rule out kung may ibang happening. Better safe than sorry talaga pag pregnant, especially ngayon pa lang you're 5 weeks in. Please don't wait, anak.