LH, luteal — lab reference
The test method matters.
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What’s searchable?The test method matters.
Hormone therapy may suppress.
Ovarian reserve marker, not egg quality. PCOS and hormonal treatments may affect interpretation.
Pregnancy interpretation is gestational-age-specific; low-level positives require clinical follow-up.
No single normal cutoff fits every patient. Ask your clinician to use age, baseline, trend, prostate size, risk factors, and shared decision-making.
Often used when total PSA is in an indeterminate zone. Ask your clinician to use the performing-lab risk table.
Method-specific. Clarify its role in hair, prostate, androgen therapy, or enzyme questions.
May assist selected fertility evaluations; not a routine wellness marker.
Ask your clinician to use exact assay cutoff and clinical indication.
Collect at a defined time. Assay-specific; dynamic testing may be required.
Time-specific and assay-specific.
Your clinician may request a morning sample, collected and handled in a particular way, alongside a cortisol test.
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