Momsh, I'd really suggest checking with your OB muna, pregnant belly kasi ay sensitive sa iba't ibang products, at sila lang talaga ang makakasabi ng safe for you! A few of us moms swear by asking our doctors first bago mag-try ng anything, kahit common lang ito, para sa peace of mind talaga. Nakakapag-stress ang clogged nose ah, pero better safe than sorry pag buntis na! Let me know what your doc says, yah?