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: Gynaecology & Obstetrics
[{'content': 'Oxytocin challenge test for assessing fetal well being is contraindicated in all except : \nSelect and explain. \nA. Placenta pre, B. Previous 2 LSCS, C. Breech, D. Premature labour', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Breech', 'role': 'assistant'}]