This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infeility (Eggs'plantation!), Subject name: Gynaecology & Obstetrics
[{'content': 'In Kaagener syndrome cause of infeility is? \nSelect and explain. \nA. Oligospermia, B. Asthenospermia, C. Undeescended testis, D. Epididymis obstruction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Asthenozoospermia (or asthenospermia) is the medical term for reduced sperm motility. Oligospermia refer to semen with a low concentration of sperm Immotile cilia syndrome: Large numbers of ble nonmotile sperm suggest the Immotile cilia syndrome in which sperm tails have a structural abnormality and cannot flagellate. The cilia of the respiratory tract are usually also involved; affected individuals are infeile and predisposed to chronic respiratory tract infections. When also associated with Situs Inversus, the Immotile Cilia Syndrome is known as Kaagener syndrome.', 'role': 'assistant'}]