Headaches during pregnancy ay common talaga, lalo na sa first trimester dahil sa hormonal changes, kaya hindi ka mag-alala! But since you're 11 weeks pa lang, mas maganda if you mention it sa OB mo next visit para sure lang na okay ka, some of us mums learned the hard way na better safe than sorry with anything during pregnancy, at ang doctors naman namin nakatulong agad na ma-rule out kung iba lang ang cause.