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': "Spalding's sign is seen in : \nSelect and explain. \nA. Still born, B. Live bom, C. Premature, D. Dead bom", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d i.e. Dead born SpaldingSign : It is the irregular overlapping of the cranial bones on one another, due to liquefaction of the brain matter and softening of the ligamentous structures suppoing the vault. Appears 7 days after death. Is evident on both Ultrasound and Radiology. Similar features may be found in extra-uterine pregnancy with live fetus.', 'role': 'assistant'}]