This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Multiple Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of the following is the possible cause for the given USG finding? \nSelect and explain. \nA. Monochorionic Monoamniotic Twins, B. Monochorionic Diamniotic Twins, C. Dichorionic Diamniotic Twins, D. Conjoint Twins', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. C. Dichorionic Diamniotic TwinsThe given USG shows 'Lambda sign' or 'Twin peak sign' suggestive of Dichorionic diamniotic pregnancyNote - Monochorionic diamniotic pregnancy will show presence of' T - Sign'", 'role': 'assistant'}]