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': 'Urine is collected for examination in a pregnant female by : \nSelect and explain. \nA. Mid stream collection, B. Suprapubic puncture, C. Catheterisation, D. Early morning sample', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Early morning sample', 'role': 'assistant'}]