Estradiol, luteal phase — lab reference
In the reference guideAsk your clinician to read this result with cycle timing and ovulation status.
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What’s searchable?Ask your clinician to read this result with cycle timing and ovulation status.
Ranges vary across the follicular phase and by assay.
Female cycle-phase detail is on the next section. LC-MS/MS is preferred at low concentrations.
Ask your clinician to read this result with testosterone or estradiol, FSH, cycle phase, and pituitary context.
Method-dependent; LC-MS/MS is preferred at very low values.
Single values are pulse- and timing-sensitive; confirm the clinical question.
The test method matters.
The test method matters.
Female follicular <80; luteal <285; postmeno <51. Morning timing and stimulation testing may be needed.
Negative acute-phase reactant; not a stand-alone nutrition marker.
Negative acute-phase reactant; affected by liver function and nutrition.
Acute-phase reactant. Menstruation, menopause, inflammation, liver disease, and iron therapy matter.
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