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Saliva test or blood work is more reliable?
Brief Answer: In females blood work is more reliable Detailed Answer: Hi XXXXXXX Thanks for consulting us. There could be a number of reasons for this huge difference. Number one: both values may possibly be in different "units". That is, Testosterone levels can be measured in three different units e.g. ng/dl, pmol/L & nmol/L. So, both values may be in different units. So, cannot be compared unless a unit convertor is used. This can explain this huge apparent difference. Second possibility: could be "sampling at different days & times", as there is known variation with times of the day. Third possibility: is a "sampling error", which is very common with saliva testing. Forth possibility: is a known lack of sensitivity associated with saliva testing in females as they have low levels of the hormone. So, better to trust on your blood report, or you may repeat blood testing at a later date to further confirm your levels. Hope this solves your problem. Please write back if you have any question. Best regards.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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