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': 'While assessing foetal well being by cardiotocography, cord compression is indicated by: March 2004 \nSelect and explain. \nA. Late deceleration, B. Early deceleration, C. Sinusoidal wave, D. Variable decerelation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Late deceleration', 'role': 'assistant'}]