This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexuality and intersexuality, Subject name: Gynaecology & Obstetrics
Gynecomastia is seen in : 
Select and explain. 
A. Secondary syphilis, B. Tuberculoid leprosy, C. HIV, D. Klinefelter's syndrome
D: Klinefelter's syndrome
Answer: D: Klinefelter's syndrome 
Explanation: Features of Klinefelter&;s syndromemale phenotypeGynaecomastiaSterilityPenis is small or normal in sizeVoice may be high pitchedeunuchoid appearance* Gynaecomastia may be noted in lepromatous leprosySHAW&;S TEXTBOOK OF GYNAECOLOGY, Pg no:112,15th edition