Open AccessThe Effect of Diurnal Variation on Clinical Measurement of Serum Testosterone and Other Sex Hormone Levels in Men
Author(s) -
Donald Brambilla,
Alvin M. Matsumoto,
Andre B. Araujo,
John B. McKinlay
Publication year - 2009
Publication title -
the journal of clinical endocrinology and metabolism/journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2008-1902
Subject(s) - morning , testosterone (patch) , endocrinology , medicine , diurnal temperature variation , sex hormone binding globulin , hormone , dihydrotestosterone , circadian rhythm , blood sampling , androgen , atmospheric sciences , geology
Although diurnal variation of testosterone and other hormones in men has been well documented, the effect of this variation on sampling during typical clinic hours has not been examined.