This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Dinoprostone is - \nSelect and explain. \nA. PG El, B. PGE2, C. PGF2 alpha, D. PG 12', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., PG E2 Dinoprostone (PG E2)* For the purpose of cervical ripening and induction, dinoprostone gel (PGE2 = 0.5 mg), tablets and dinoprostone inserts (10 mg) are available.* The gel can be repeated every 6 hourly for 2-3 doses as required.", 'role': 'assistant'}]