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: Medicine
[{'content': 'Indications for genetic counselling are all, EXCEPT: \nSelect and explain. \nA. Maternal age> 35 years, B. Paternal age > 45 years, C. Consanguinity, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Indications for genetic counseling are: Advanced maternal (>35) or paternal (>50) age Consanguinity Previous history of a child with bih defects or a genetic disorder Personal or family history suggestive of a genetic disorder High-risk ethnic groups; known carriers of genetic alterations Documented genetic alteration in a family member Ultrasound or prenatal testing suggesting a genetic disorder Ref: Harrison's principle of internal medicine 17th edition, chapter 65.", 'role': 'assistant'}]