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What is A five year old boy presents with precocious puberty and a blood pressure of 130/80 mmHg. Estimation of which of the following will help in diagnosis - and explain in detail?
Ans- A. Ref- Nelson Textbook Of Pediatrics Vol. 1 20th ed Biochemical diagnostic studies show elevated levels of serum 17-OHP, the substrate for the defective 21-hydroxylase enzyme activity.