This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'The folds of Hoboken are found in : \nSelect and explain. \nA. Amnion, B. Placenta, C. Uterus, D. Umbilical cord', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Folds of Hoboken are transverse intimal folds protruding into the lumen of umbilical aeries.', 'role': 'assistant'}]