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': 'Signs of placental separation are all except \nSelect and explain. \nA. Gush of blood pervaginally, B. Apparent shortening of cord, C. Supra pubic bulge, D. Slight increase in height of uterus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: There is apparent lengthening of cord with placental separation.', 'role': 'assistant'}]