Uy, sis, headaches during pregnancy are common, pero since it's recurring and moving around different parts ng ulo mo, kailangan mo talaga makita ng doctor para sure, hindi mo dapat i-ignore yan, especially ngayon na pregnant ka pa lang ng 3 months. Better safe than sorry, di ba? A few of my mum friends had similar experiences, pero each case is different, kaya doctor lang talaga ang makakasabi ng tama. Go get checked soon, ha?