This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intra Uterine Growth Restriction, Intrapaum and Antepaum Fetal Surviellance, Subject name: Gynaecology & Obstetrics
[{'content': 'If the fetus has Down syndrome,quadruple marker will not show : \nSelect and explain. \nA. High hCG, B. Low Inhibin A, C. Low AFP, D. Low Estriol', 'role': 'user'}, {'content': "Answer: B \nExplanation: Aneuploidies AFP Estriol hCG Inhibin A Down's Syndrome Low Low High High", 'role': 'assistant'}]