A member asked:

Pth level: to what extent does the result fluctuate in the course of a day, week months?

A doctor has provided 1 answer

Significantly: There is a night time rise (circadian ) of parathyroid hormone levels by as much as 80 percent. See http://tinyurl.Com/6rwlb8l weekly or monthly changes can occur depending on your nutrition and other factors effecting your calcium blood levels.

Answered 7/5/2012

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Pth level 13, calcium 9.8 vitamin d 9.9 what does this all mean.

3 doctors weighed in across 2 answers