Congrats onnthe pregnancy. Yes it's possible that the hormonal changes associated with pregnancy have triggered a flareup of your uc. I do read about
that happening.
Adding nightly rowasa sounds like a great idea, it's 90 percent topical and 10 percent systematic so safe for pregnancy. Here's some reading about
UC meds, safety, and pregnancy from our resources thread.
From conception to delivery: Managing the pregnant inflammatory bowel disease patient
www.ncbi.nlm.nih.gov/pmc/articles/PMC3974516/The Second European Evidenced-Based Consensus on Reproduction and Pregnancy in Inflammatory Bowel Disease
ecco-jcc.oxfordjournals.org/content/eccojc/9/2/107.full.pdf