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 statements are related to occipitopos- terior except: \nSelect and explain. \nA. Malrotation of occiput may cause occipitosacral arrest, B. 10% cases are associated with anthropoid or android pelvis, C. Incomplete forward rotation of occiput may cause deep transverse arrest, D. Nonrotation of occiput may cause are associated', 'role': 'user'}, {'content': 'Answer: B \nExplanation: All the options given in the question are correct except – option b\n“In more than 50%, the occipitoposterior position is associated with either on anthropoid or android pelvis”\nDutta Obs 7/e, p 365', 'role': 'assistant'}]