Hi Ree Ree
I have Crohns Disease too, sorry to hear your having a tough time. I have been in and out of hospital with severe vomiting (Hyperemisis) and last visit my CD flared a little so my GI put me on hydrocortisone and then oral prednisilone.
What drugs are you on? I'm also on Colazide. The above steroids mentioned do not cross the placenta so doesnt affect baby, this info was given to me by the pharmasist in hospital care of the RWH drug and pregnancy dept.
Hope this helps some.