<prompt> FALSE statement about Ulcerative colitis isSmoking may prevent the disease58 concordance with monozygotic twins0 concordance with dizygotic twinsAppendectomy is protective for the disease  <response>: Patients with quiescent UC and CD have normal feility rates. The fallopian tubes can be scarred by the inflammatory process of CD, especially on the right side Ulcerative colitis Crohns disease Male female ratio 1:1 1.1 - 8.1 Smoking May prevent disease May cause disease Oral contraceptives No increased risk Odds ratio 1.4 Appendectomy Protective Not protective Monozygotic twins 6 concordance 58 concordance Dizygotic twins 0 concordance 4 concordance 