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': "The softening of the uterus with lateral implantation is called as : \nSelect and explain. \nA. Chadwick's sign, B. Hegar's sign, C. Goodell's sign, D. Piskacek's sign", 'role': 'user'}, {'content': "Answer: D \nExplanation: Piskacek's sign", 'role': 'assistant'}]