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
At what level of testosterone ovarian pathology should be searched ? 
Select and explain. 
A. > 4 nmol/L, B. > 6 nmol/L, C. > 8 nmol/L, D. >10 nmol/L
D: >10 nmol/L
Answer: D: >10 nmol/L 
Explanation: Ans. is 'd' i.e.,> 10 nmol/LTestosterone in femalesIt is secreted by the ovary (60%) and also derived from the peripheral conversion of androstenidione (40%), which is secreted in equal amounts by the ovary and adrenals.