Premature Ovarian Insufficiency (POI) FSH Threshold

Diagnose premature ovarian insufficiency (POI, formerly premature menopause) using elevated FSH threshold. FSH >25 IU/L on two occasions ≥4 weeks apart before age 40 establishes diagnosis. Guides HRT and fertility counseling.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Diagnose premature ovarian insufficiency (POI, formerly premature menopause) using elevated FSH threshold. FSH >25 IU/L on two occasions ≥4 weeks apart before age 40 establishes diagnosis. Guides HRT and fertility counseling

Each component has a specific meaning:

  • Elevated FSH threshold — The elevated fsh threshold recorded for the scenario being assessed.

Note: Interpret the poi fsh threshold result against the thresholds and context described above.

How to Use

Enter the elevated FSH threshold for the scenario you are assessing. Diagnose premature ovarian insufficiency (POI, formerly premature menopause) using elevated FSH threshold. FSH >25 IU/L on two occasions ≥4 weeks apart before age 40 establishes diagnosis. Guides HRT and fertility counseling. Use the poi fsh threshold result to inform your calculation.

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Frequently Asked Questions