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
All except one is known to cause precocious puberty 
Select and explain. 
A. Primary hypothyroidism, B. Congenital adrenal hyperplasia, C. Theca cell tumor of ovary, D. Secondary hypothyroidism
D: Secondary hypothyroidism
Answer: D: Secondary hypothyroidism 
Explanation: Secondary hypothyroidism → results in hypogonadotropic hypogonadism → Delayed puberty.