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': 'The following are related to anencephaly except: \nSelect and explain. \nA. It is commonly associated with prematurity, B. Often associated with oligohydramnios, C. Increased association with female baby, D. Obstructed labour may occur', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anencephaly is associated with polyhydramnios and not oligohydramnios. Rest all options are correct.', 'role': 'assistant'}]