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': 'Ovarian cyst in children presents with pain due to all except \nSelect and explain. \nA. Peritoneal bleeding from rupture, B. Ovarian torsion, C. Expansion of ovarian cortex, D. Stretch of Infundibulopelvic ligament', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pain from ovarian cysts stems from 3 sources\n\nExpansion of ovarian cortex.\nPeritoneal bleeding from rupture.\nOvarian torsion.', 'role': 'assistant'}]