Uy, for anything medication-related sa pregnancy, especially at 13 weeks, kailangan mo talaga makonsulta ng OB mo directly, hindi safe mag-assume kahit ano pa yan, kaya pls don't use it without checking first! A few of us moms learned the hard way na what's okay for regular use isn't always okay when you're preggy, so better safe than sorry. Call your doctor agad or go to your clinic, okay? They'll tell you exactly if it's safe for you at baby.