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: Pediatrics
True in Klinefelter syndrome is 
Select and explain. 
A. Sho stature, B. Pituitary adenoma, C. Subnormal intelligence, D. Breast adenoma
C: Subnormal intelligence
Answer: C: Subnormal intelligence 
Explanation: Answer is C (Subnormal intelligence) : 'Patients with Klinefelter's syndrome are mentally subnormal. Diagnosis should be considered in all boys with mental retardation' - Ghai Patients are tall and underweight e (not sho in stature) Pubeal development is delayed - testes are small occasionally CryptoarchidismQ is associated Secondary sexual characters are delayed or absent Q. Growth of pubic hair and facial hair is delayed Q. No association with breast adenomas or pituitary adenomas has been mentioned.