This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adrenal Gland, Subject name: Pediatrics
17-OH progesterone level in congenital adrenal hyperplasia in 1 year old child (in ng/dl)- 
Select and explain. 
A. >600, B. 150-300, C. 300-600, D. <150
A: >600
Answer: A: >600 
Explanation: Ans. is 'a' i.e., > 600 (best probable answer) o Normal and abnormal values of 17-OH progesterone differ for babies bom with low birth weight,o In general, normal results are as follows:Newborn cord blood - 1,000 - 3,000 ng/dLBabies more than 24 hours old - less than 100 ng/dLAdults - less than 200 ng/dLNote: ng/dL = nanograms per deciliter.o High levels of 17-OH progesterone may be due to:Tumors of the adrenal glandCongenital adrenal hyperplasia (CAH)o In infants writh CAH, I7-OHP levels range from 2,000 - 40,000 ng./dL