This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': "Lutein cysts are associated with all except: \nSelect and explain. \nA. Gestational trophoblastic tumours, B. Clomiphene administration, C. Bilaterality, D. Use of OCP's", 'role': 'user'}, {'content': 'Answer: D \nExplanation: <p> - lutein cyst of ovary are of two types: granulosa lutein found within corpus luteum. theca lutein cyst associated with trophoblastic disease and chorionic gonadotrophin therapy. - theca lutein cyst are usually bilateral and filled with straw coloured fluid. - it is often associated with hydatidiform moles, choriocarcinoma and gonadotrophin or Clomiphene therapy. Reference : Shaw&;s textbook of gynaecology, 16th edition, pg no: 430 <\\p>', 'role': 'assistant'}]