Ordering the Progesterone Test
Progesterone is a hormone that plays a key role in the menstrual cycle, pregnancy, and fertility. This test measures the amount of progesterone in your blood, which can help track ovulation, monitor pregnancy, or investigate symptoms like irregular periods or unexplained bleeding. Interestingly, progesterone levels can also help identify if ovulation has occurred, which is useful for people tracking fertility.
Ordering this test can provide:
- Clear information about ovulation timing for those trying to conceive
- Insight into possible causes of irregular menstrual cycles
- Support for monitoring hormone therapy or fertility treatments
- Assessment of pregnancy health in early stages
- Detection of hormone imbalances that may affect reproductive health
Who Might Benefit from Progesterone Hormone Screening
Someone who has been trying to get pregnant for several months without success may want to know if they are ovulating regularly. This test can also help someone with irregular periods understand if their hormone levels are within the expected range. By checking progesterone, you can find out if your body is producing enough of this hormone at the right time in your cycle, which is important for fertility and menstrual health. Delaying this test could mean missing the best window for treatment or intervention, especially if you are tracking ovulation or managing hormone therapy.
Ordering may also be helpful in these situations:
- Tracking ovulation for fertility planning
- Investigating missed or irregular periods
- Monitoring hormone levels during early pregnancy
- Evaluating the effectiveness of hormone replacement therapy
- Checking for luteal phase defects, which can affect the second half of the menstrual cycle
If you want to know if your body is making enough progesterone at the right time, this test gives you a clear answer.
Preparing for Your Progesterone Blood Work
Fasting is not needed before this test, so you can eat and drink as usual. Always follow any specific instructions your doctor or healthcare provider gives you to make sure your results are as helpful as possible.
Labs Included When Ordering Your Progesterone Blood Test
| Test Name | Reference Range | What This Measures | Low and High Levels of Progesterone |
|---|---|---|---|
| Progesterone (Serum) | Follicular: 0.2–1.5 Luteal: 2.5–28 Pregnancy 1st Trimester: 10–44 |
This test checks the amount of progesterone in your blood. It helps track ovulation, monitor pregnancy, and find hormone imbalances that affect the menstrual cycle. |
High levels mean your body may be in the luteal phase, pregnant, or possibly have a hormone-producing growth.
Low levels mean you may not be ovulating, could have problems with the ovaries, or may be at risk for pregnancy complications. |
Reference ranges can change over time. For the most current values, visit the Quest Diagnostics lab test directory.
Progesterone Test FAQ
Is there Progesterone testing near me?
You can find nearby locations for progesterone testing using the patient service center locator, which also lists mobile phlebotomy options for added convenience. For those tracking ovulation or fertility, having a close and accessible site makes it easier to get timely results when hormone levels need to be checked on specific days.
What is the cost of the test?
The price you see for the progesterone test includes all fees, including sample collection at patient service center locations. Ordering this test is worth it if you need to pinpoint ovulation or check for hormone imbalances that may affect your menstrual cycle or fertility.
How often should I retest?
Retesting is usually recommended every menstrual cycle if you are tracking ovulation or as advised by your doctor during fertility treatment or hormone therapy. Regular testing helps you see changes in your hormone levels and adjust your plan as needed.
How accurate is the test?
The progesterone test uses immunoassay technology, which is highly specific for detecting hormone levels in blood samples, with a specificity of 98% and sensitivity of 97%. All tests at TrueHealthLabs.com are performed by CLIA-certified labs, meeting strict quality and precision standards.
Important Notes
None.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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