<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 33-year-old primigravid visits the clinic at the 22 weeks gestation with concerns about several episodes of loose watery stool over the past 4 months, which are sometimes mixed with blood. Use of over-the-counter antidiarrheal medications has not been helpful. She also reports having painful ulcers in her mouth for the last 2 months. Pregnancy has been otherwise uncomplicated so far. On physical examination, the blood pressure is 11060 mm Hg, the pulse rate is 90min, the respiratory rate is 19min, and the temperature is 36.6C 97.8F. There is bilateral conjunctival redness. Abdominal examination shows minimal tenderness but no guarding or rebound tenderness. Fundal height is proportionate to 22 weeks of gestation, and fetal heart sounds are audible. Colonoscopy shows focal areas of inflammation in the ileum, separated by normal mucosa, with rectal sparing. Based on the colonoscopy results, which of the following complications is the patient at risk for?? A: Metastasis to the liver, B: Primary sclerosing cholangitis, C: Carcinoid syndrome, D: Intestinal obstruction, E: Paralytic ileus,  <response>: This is a medical question asking about the potential complication that a pregnant patient with inflammatory bowel disease is at risk for based on her symptoms and colonoscopy findings. The key details in the stem are that she has had episodes of bloody diarrhea and mouth ulcers over the past few months during her pregnancy. Her colonoscopy showed focal inflammation in the ileum with rectal sparing, consistent with Crohns disease. This pattern of patchy inflammation increases her risk for developing intestinal strictures or narrowing that can lead to obstruction. D: Intestinal obstruction 