Hay, mama, ang diarrhea talaga ay common sa pregnancy, but since you're experiencing it ngayon, best to check with your OB muna para sure okay lang ang baby at ikaw, especially at 34 weeks na kayo! Don't self-medicate with anything pa lang without their green light, okay? A few of us moms went through this din and ang doctor lang talaga ang nakatulong safely. Drink lots of water in the meantime and rest. Let us know how you go!