Hi mama! Generally okay lang barley juice sa pregnancy, pero depende talaga sa preparation, kung homemade or store-bought, may additives ba, at gaano kalaki ang intake mo. I'd suggest checking with your OB muna para sure, especially since you're already 30 weeks, kasi iba-iba ang advice depending sa individual pregnancy mo. A few of my mum friends drank barley during pregnancy pero they cleared it with their doctors first, so better safe than sorry talaga!