Hi mama! Aminoplex is generally okay, pero ang headache and dizziness mo ay hindi typical side effect na dapat i-ignore, definitely talk to your OB about it, lalo na you're only 12 weeks pa lang. A few of my mum friends took vitamins during pregnancy and walang ganitong reaction, so it's best to get checked kung bakit ganyan ang effect sa'yo, baka kailangan lang adjust ng brand or timing ng intake mo.