Progesterone: Results
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Results
A progesterone test measures the amount of the hormone progesterone in a blood sample.
Results are usually available within 24 hours.
Normal
Normal values for progesterone vary from lab to lab.
| Days 1–14: | Less than 50 nanograms per deciliter (ng/dL) | Less than 1 nanogram per milliliter (ng/mL) |
|---|---|---|
| Days 15–28: | 300–2,500 ng/dL | 3–25 ng/mL |
| 1st trimester: | 900–4,700 ng/dL | 9–47 ng/mL |
|---|---|---|
| 2nd trimester: | 1,700–14,700 ng/dL | 17–147 ng/mL |
| 3rd trimester: | 5,500–20,000 ng/dL | 55–200 ng/mL |
| Normal: | Less than 40 ng/dL or less than 1.0 ng/mL |
|---|
| Normal: | 3–32 ng/dL or 0.3–3.2 ng/mL |
|---|
Many conditions can change progesterone levels. Your health professional will discuss any significant abnormal results with you in relation to your symptoms and medical history.
High values
High progesterone values may be caused by:
- Pregnancy.
- Cancer of the ovaries or adrenal glands.
- A molar pregnancy.
- Overproduction of hormones by the adrenal glands.
Low values
Low progesterone values may be caused by:
- Problems with ovulation.
- Possible miscarriage.
| Last updated: | June 06, 2007 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | Patrice Burgess, MD - Family Medicine, Kirtly Jones, MD - Obstetrics and Gynecology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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