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Plasma levels of DHEA in adult men are 10 to 25 nM, in premenopausal women are 5 to 30 nM, and in postmenopausal women are 2 to 20 nM. [25] Conversely, DHEA-S levels are an order of magnitude higher at 1–10 μM. [25] Levels of DHEA and DHEA-S decline to the lower nanomolar and micromolar ranges in men and women aged 60 to 80 years. [25]
A reference range is usually defined as the set of values 95 percent of the normal population ... ng/mL: Higher in pregnant women [172] 0. ... ng/mL: Narrow ...
DHEA-S levels throughout life in humans. [28] DHEA and DHEA-S are the most abundant circulating steroids in the body. [29] Plasma levels of DHEA-S are 100 or more times higher than those of DHEA, 5 to 10 times higher than those of cortisol, 100 to 500 times those of testosterone, and 1,000 to 10,000 times higher than those of estradiol. [30] [3]
DHEA levels are lower in those with depression, so supplementation may help. A 2005 placebo-controlled study looked at men and women aged 45 to 65 with midlife-onset major or minor depression.
100–200 pg/mL <50 ng/dL [1] World Professional Association for Transgender Health (WPATH) United States "[T]estosterone levels [...] below the upper limit of the normal female range and estradiol levels within a premenopausal female range but well below supraphysiologic levels."
Normal values [ edit ] Reference ranges for blood tests of plasma renin activity can be given both in mass and in international units (μIU/mL or equivalently mIU/L, improperly shown as μU/mL or U/L, confusing mcU/mL used where Greek μ not available), with the former being roughly convertible to the latter by multiplying with 11.2. [ 3 ]
Improvement of oocyte/embryo quality with DHEA supplementation potentially suggests a new concept of ovarian aging, where ovarian environments, but not oocytes themselves, age. DHEA has positive outcomes for women with AMH levels over 0.8 ng/mL or 5.7 pmol/L [49] DHEA has no apparent effect on oocytes or ovarian environments under this range.
Levels of DHEA-S, a major adrenal androgen, throughout life in humans. [1]Adrenopause is the decline in secretion and levels of adrenal androgens such as dehydroepiandrosterone (DHEA) and dehydroepiandrosterone sulfate (DHEA-S) from the zona reticularis of the adrenal glands with age.