Davis's Lab & Diagnostic Tests
Follicle-Stimulating Hormone
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General
Synonym/Acronym:
Follitropin, FSH.
Rationale
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: Electrochemiluminescence Immunoassay.
| Age | Conventional Units and SI Units |
|---|---|
| Child | |
| Prepuberty | Less than 10 international units/L |
| Adult | |
| Male | 1.4–15.5 international units/L |
| Female | |
| Follicular phase | 3.5–12.5 international units/L |
| Ovulatory peak | 4.7–21.5 international units/L |
| Luteal phase | 1.7–7.7 international units/L |
| Postmenopause | 25.8–134.8 international units/L |
Critical Findings and Potential Interventions
N/A
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General
Synonym/Acronym:
Follitropin, FSH.
Rationale
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: Electrochemiluminescence Immunoassay.
| Age | Conventional Units and SI Units |
|---|---|
| Child | |
| Prepuberty | Less than 10 international units/L |
| Adult | |
| Male | 1.4–15.5 international units/L |
| Female | |
| Follicular phase | 3.5–12.5 international units/L |
| Ovulatory peak | 4.7–21.5 international units/L |
| Luteal phase | 1.7–7.7 international units/L |
| Postmenopause | 25.8–134.8 international units/L |
Critical Findings and Potential Interventions
N/A
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