2019
DOI: 10.1016/j.cca.2019.04.062
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Estradiol reference intervals in women during the menstrual cycle, postmenopausal women and men using an LC-MS/MS method

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Cited by 52 publications
(46 citation statements)
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“…This pattern is in accordance with previous reports using immunoassays (46); however, absolute concentrations may differ. Importantly, our present results are in accordance with reference ranges from the only existing paper on E2 determined by LC-MS/MS across the menstrual cycle (47). This study exhibits the limitation that we did not collect daily blood samples throughout the menstrual cycle but had to group subjects into early/late proliferative phase and luteal phase, as we only had one blood sample for each woman.…”
Section: Menstrual Cycle and Oral Contraceptive Usesupporting
confidence: 89%
“…This pattern is in accordance with previous reports using immunoassays (46); however, absolute concentrations may differ. Importantly, our present results are in accordance with reference ranges from the only existing paper on E2 determined by LC-MS/MS across the menstrual cycle (47). This study exhibits the limitation that we did not collect daily blood samples throughout the menstrual cycle but had to group subjects into early/late proliferative phase and luteal phase, as we only had one blood sample for each woman.…”
Section: Menstrual Cycle and Oral Contraceptive Usesupporting
confidence: 89%
“…Albumin was measured to calculate free and non-SHBG bound testosterone (free + albumin bound testosterone, according to Vermeulen). [ 18 , 19 ] Reference values were established in house; estradiol: <26 pmol/L in postmenopausal women and 12 to 136 pmol/L in men [ 17 ] ; total testosterone: 0.3 to 1.6 nmol/L in postmenopausal women, and 9 to 30 nmol/L in men [ 19 ] ; free testosterone: 2.3 to 26 pmol/L in postmenopausal women, 165 to 655 pmol/L in men [ 19 ] ; SHBG: 18 to 114 nmol/L in postmenopausal women and 13 to 71 nmol/L in men. Concentrations below or above the limits were defined as low and high, respectively.…”
Section: Methodsmentioning
confidence: 99%
“…All samples were analyzed at the Endocrine Laboratory of Amsterdam UMC. DHEA-S, testosterone, androstenedione and estradiol (in males only) were measured in plasma using isotope diluted liquid chromatography mass spectrometry (ID-LC-MS/MS) [19][20][21] . Sex hormonebinding globulin (SHBG) was measured using an automated immunoassay (Architect, Abbott Diagnostics).…”
Section: Sex Hormone Analysismentioning
confidence: 99%