Sex hormones
Anti-Müllerian hormoneAMH
Granulosa-cell product; the best estimate of ovarian reserve at any cycle phase.
Sample
Serum (cycle-day independent)
Clinical reference range
1 to 4 ng/mL
Reproductive age
Conv: 1–4 ng/mL
Biology
What it measures
Produced by granulosa cells of small antral follicles. Falls as the follicular pool depletes.
Clinical use
Why we order it
Predict IVF response, time-to-menopause, PCOS (high AMH), and premature ovarian insufficiency.
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