Synonym/Acronym:
N/A
Rationale
To assess ovarian function, assist in fertility work-ups, and monitor placental function during pregnancy related to disorders such as tumor, cysts, and threatened abortion.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Immunochemiluminometric assay (ICMA).
| Hormonal State | Conventional Units | SI Units (Conventional Units × 3.18) |
|---|---|---|
| Prepubertal males and females | Less than or equal to 0.35 ng/mL | Less than or equal to 1.1 nmol/L |
| Adult male | Less than or equal to 0.11 ng/mL | Less than or equal to 0.35 nmol/L |
| Adult female | ||
| Follicular phase | Less than 1 ng/mL | Less than 3 nmol/L |
| Ovulatory phase | Less than 13 ng/mL | Less than 41.3 nmol/L |
| Luteal phase | 2–25 ng/mL | 6.4–79.5 nmol/L |
| Pregnancy, first trimester | 10–44 ng/mL | 31.8–140 nmol/L |
| Pregnancy, second trimester | 25–83 ng/mL | 80–264 nmol/L |
| Pregnancy, third trimester | 65–229 ng/mL | 206.7–728.2 nmol/L |
| Postmenopausal period | Less than 1 ng/mL | Less than 3 nmol/L |
Critical Findings and Potential Interventions
N/A
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