Uy, brown discharge during pregnancy can be tricky, please message your OB or go in for a check-up to be safe, okay? Better to know what's happening than worry. A few of us mums have experienced different kinds of discharge, and honestly, it's always best to let your doctor check it out in person para sure. They can tell you right away if it's something normal or if you need to do something about it. Don't stress too much, pero don't delay either, just get it checked, alam mo?