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: Forensic Medicine
[{'content': "Spalding's sign occurs after: \nSelect and explain. \nA. Bih of live fetus, B. Death of fetus in uterus, C. Rigor mois of infant, D. Cadaveric spasm", 'role': 'user'}, {'content': "Answer: B \nExplanation: Spalding's sign is a radiological sign, consists of loss of alignment and overlapping of the bones of the cranial vault due to shrinkage of the cerebrum after death of the foetus. Spalding's sign is evident around seven days following fetal death. Ref: Manual of Obstretics By Daftary, 3rd Edition, Page 601; Obstetrics For Undergraduates The Five Fingers By Chattopadhayay and Narayana Swamy, Sisir K. Chattopadhyay Et Al, 2006, Page 120; Park's Textbook of Preventive and Social Medicine By K. Park, 6th Edition, Pages 2.36, 5.75.", 'role': 'assistant'}]