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': 'Extrachorial placentation increases risk of \nSelect and explain. \nA. Abruptio placenta, B. Stillbirth, C. Intra-partum fetal acidosis, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Most cases with extra chorial placenta have normal outcome. Pre - term birth and antepartum hemorrhage is seen with circumvallate placenta.', 'role': 'assistant'}]