Does pregnancy change the disease course? A study in a European cohort of patients with inflammatory bowel disease

L Riis, Ida Vind, P Politi, F Wolters, S Vermeire, E Tsianos, J Freitas, I Mouzas, V Ruiz Ochoa, C O'Morain, S Odes, V Binder, B Moum, R Stockbrugger, E Langholz, P Munkholm, NN European Collaborative study group on Inflammatory Bowel disease