Follicle-Stimulating Hormone

Follicle-Stimulating Hormone is a topic covered in the Davis's Lab & Diagnostic Tests.

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Follitropin, FSH.

To distinguish primary causes of gonadal failure from secondary causes, evaluate menstrual disturbances, and assist in infertility evaluations.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunoassay.

AgeConventional Units and SI Units
 PrepubertyLess than 10 international units/mL
 Male1.4–15.5 international units/mL
  Follicular phase1.4–9.9 international units/mL
  Ovulatory peak6.2–17.2 international units/mL
  Luteal phase1.1–9.2 international units/mL
  Postmenopause19–100 international units/mL

Critical Findings and Potential Interventions

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