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': 'a-Fetoprotein is increased in all the following except : \nSelect and explain. \nA. Increased maternal weight, B. Multiple gestation, C. Maternal hepatoma, D. Abdominal wall defect', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Increased maternal weight', 'role': 'assistant'}]