This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which medication cannot be given in diarrhea in pregnancy ? \nSelect and explain. \nA. Oral rehydration therapy, B. Stimulant purgative, C. Loperamide, D. Diphenoxylate-atropine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Stimulant purgativeslRef: KDT 7/e p. 6741Stimulant purgatives:They are poweful purgatives: often produce griping. They irritate intestinal mucosa and thus were thought to primarily stimulate motor actIVIty.They can reflexly stimulate gravid uterus, therefore are contraindicated during pregnancy.", 'role': 'assistant'}]