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A member asked:
If normal ref range for testosterone from lab is 10.0 - 35.0 nmol/l. what is the average number considered normal for my husband at 31 yrs old? first result he got was 13.5 nmol/l and second was 10 nmol/l. can lack of sleep, stress affect results?
A doctor has provided 1 answer
Within the range of normal total testosterone levels in men the range can be from 250 up to 800 nanograms per L. These levels vary with the time of day and are usually highest in the mid-morning. There are many things that can affect the level of testosterone to include stress, some medications like opiates or sleep disorder as she mentioned.
Answered 4/28/2021
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