This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Intersexuality, Subject name: Gynaecology & Obstetrics
Precocious puberty may be seen in all of the following conditions except. 
Select and explain. 
A. Granulosa - cell tumour, B. Head - injury, C. Corticosteroid intake, D. Hyperthyroidism
D: Hyperthyroidism
Answer: D: Hyperthyroidism 
Explanation: Ans. is d, i.e. HyperthyroidismRef: Jeffcoate 7th/ed, p116-118* Remember hypothyroidism and not hyperthyroidism causes precocious puberty.Reason:In hypothyroidism|| TSH|| Stimulation of FSH|Precocious pubertyIf precocious puberty is associated with delayed bone age it suggests primary hypothyroidism.Q