Ay, headaches during pregnancy talaga mahirap kasi limited lang ang pwede nating inom! I'd suggest talking to your OB muna para sigurado kung ano ang safe for you and baby, paracetamol is usually okay pero better na marinig straight from your doctor kung ano ang best option. A few of my mum friends swore by cold compress on the forehead or rest in a quiet, dark room, at laging hydrated kasi sometimes dehydration lang ang culprit. Hope you feel better soon, mommy!