How does pregnancy affect ibd?

May worsen disease. Activity of uc and cd at time of conception greatly predicts disease course. If in remission, most stay in remission (2/3) where as 1/3 will flare. Disease that is active during conception usually does not go into remission during the course of pregnancy and may even get worse.
Generally improved. Usually the symptoms of ibd get better or stay the same. It is rare that they get worse.