An hCG level of less than 5 mIU/mL is considered negative for pregnancy, and anything above 25 mIU/mL is considered positive for pregnancy. An hCG level between 6 and 24 mIU/mL is considered a grey area, and you'll likely need to be retested to see if your levels rise to confirm a pregnancy.
Results of the CA 125 test are measured in units per milliliter (U/mL). The normal value is less than 46 U/mL. If your CA 125 level is higher than normal, you may have a benign condition, or the test result could mean that you have ovarian, endometrial, peritoneal or fallopian tube cancer.
Results are given in milli-international units per milliliter (mUI/mL). Normal levels are found in: Non-pregnant women: less than 5 mIU/mL. Healthy men: less than 2 mIU/mL.
Levels of hCG may also be elevated in other diseases such as liver, breast, lung, skin, and stomach cancers. Increased levels may also be seen in non-cancer conditions such as cirrhosis, duodenal ulcer, and inflammatory bowel disease.
observed return of spermatogenesis in a mean of 4.6 months with a mean density of 22 million sperm/mL in 95.9% of subjects receiving hCG 3,000 IU every other day, along with either FSH, clomiphene citrate, tamoxifen, or anastrozole (12).
The Food and Drug Administration (FDA) is advising consumers to avoid human chorionic gonadotropin (HCG) weight-loss products. These products are typically sold in the form of oral drops, pellets and sprays, and can be found online, at weight loss clinics and in some retail stores.
Since hCG rises rapidly, an initial negative test can turn positive within this time period. Quantitative hCG testing, often called beta hCG (β-hCG), measures the amount of hCG present in the blood. It may be used to: Confirm a pregnancy.
Normal range: < 2.5 ng/ml. Normal range may vary somewhat depending on the brand of assay used. Levels > 10 ng/ml suggest extensive disease and levels > 20 ng/ml suggest metastatic disease.
Types of Tumor Markers
- Prostate-specific antigen (PSA)
- Prostatic acid phosphatase (PAP)
- CA 125.
- Carcinoembryonic antigen (CEA)
- Alpha-fetoprotein (AFP)
- Human chorionic gonadotropin (HCG)
- CA 19-9.
Examples of blood tests used to diagnose cancer include: Complete blood count (CBC). This common blood test measures the amount of various types of blood cells in a sample of your blood. Blood cancers may be detected using this test if too many or too few of a type of blood cell or abnormal cells are found.
Some may be done to learn more about the cancer when it is first diagnosed. However, the presence or amount of a tumor marker alone is not enough to diagnose cancer.” There has been no evidence to prove that tumor markers are 100 percent reliable for determining the presence or absence of cancer.
The doctor may start by asking about your personal and family medical history and do a physical exam. The doctor also may order lab tests, imaging tests (scans), or other tests or procedures. You may also need a biopsy, which is often the only way to tell for sure if you have cancer.
There are different types of tumor markers for different types of cancer. Certain tumor markers are associated with only 1 type of cancer. Other tumor markers are associated with more than 1 cancer. However, many cancers have no known tumor markers, so tumor marker testing may not be an option.
A result can often be given within 2 to 3 days after the biopsy. A result that requires a more complicated analysis can take 7 to 10 days. Ask your doctor how you will receive the biopsy results and who will explain them to you.
Levels of CEA higher than 20 ng/mL are considered very high. If you have CEA levels this high and you also have symptoms of cancer, it strongly suggests the cancer has not been removed successfully after treatment. It may also suggest that the cancer has metastasized, or spread, to other parts of your body.
The seven warning signs for cancer include:
- A Sore that Doesn't Heal or Continues to Bleed, or a Lump or Thickening on the Skin or in the.
- A Thickening or Lump Anywhere in the Body.
- Unusual Bleeding or Discharge from any Body Opening.
- A Persistent Change in Bowel or Bladder Habits.
- A Persistent Cough or Hoarseness.
When you miscarry (and also anytime you give birth), your body no longer produces hCG. Your levels will ultimately go back to 0 mIU/mL. In fact, anything less than 5 mIU/mL is “negative,” so effectively, 1 to 4 mIU/mL is also considered “zero” by doctors.
non-pregnant women - less than 10 U/L. borderline pregnancy result - 10 to 25 U/L. positive pregnancy test - more than 25 U/L. pregnant women, about 4 weeks after the last menstrual period or LMP (average 1 week before first missed period) - 0 to 750 U/L.
A borderline result is generated by some assays when the hCG level is between 5 and 25 mIU/mL. Samples reported as borderline are considered indeterminate, and clinicians should request a repeat test within 48 to 72 hours or obtain a quantitative serum hCG.
Standard hCG levels
| Pregnancy week | Standard hCG range |
|---|
| 3 weeks | 5–50 mIU/mL |
| 4 weeks | 5–426 mIU/mL |
| 5 weeks | 18–7,340 mIU/mL |
| 6 weeks | 1,080–56,500 mIU/mL |
borderline pregnancy result - 10 to 25 U/L. positive pregnancy test - more than 25 U/L. pregnant women, about 4 weeks after the last menstrual period or LMP (average 1 week before first missed period) - 0 to 750 U/L. pregnant women, about 5 weeks after the LMP (week after first missed period) - 200 to 7,000 U/L.
How does Clearblue® Ultra Early work? When you are pregnant your body produces the pregnancy hormone hCG (human Chorionic Gonadotrophin). This test can detect tiny amounts of hCG in your urine (the sensitivity of this test is 10 mIU/ml).
You can take an hCG urine test at your doctor's office or at home with a home pregnancy test. Both will require the collection of a urine sample. An hCG urine test conducted at home is similar to the test that your doctor conducts. Both have the same ability to detect hCG in your urine.
High valuesIf you are pregnant, very high levels of hCG can mean a multiple pregnancy (such as twins or triplets). It can also mean a molar pregnancy or Down syndrome. You may also be further along in an early pregnancy than you thought, based on your last menstrual period.
Specifically, twin and multiple pregnancies might have 30-50% higher hCG levels than singleton pregnancies. Even so, a detection of high hCG levels can't reliably predict twin pregnancies. That's because hCG levels vary greatly between each woman, and there's a wide range of normal levels.
It's possible to have a positive pregnancy test even if you aren't technically pregnant. This is called a false positive. It's sometimes caused by a chemical pregnancy. A chemical pregnancy occurs if a fertilized egg, known as the embryo, is unable to implant, or grow, very early on.
If you're not pregnant and your
hCG level is unusually
high, it can be a sign of cancer, cirrhosis, ulcers, or inflammatory bowel disease (IBD).
Understanding hCG.
| Weeks from last menstrual period | Normal hCG levels (mIU/mL) |
|---|
| 5 | 200–7,000 |
| 6 | 200–32,000 |
| 7 | 3,000–160,000 |
| 8–12 | 32,000–210,000 |
A test will only show a false positive if you have hCG in your system for another reason such as you were recently pregnant, are taking fertility medications containing hCG, or if you have a medical condition, like some rare ovarian cysts.
When the HCG rises appropriately, there is a much lower chance of ectopic or miscarriage. But this is still just a MARKER – not an absolute. If the levels do not rise appropriately, there are still a fair number of normal pregnancies (my daughter is one of them).
A blood test is the most accurate way to detect hCG levels, because more of the pregnancy hormone is present in the blood than in the urine. Blood tests can detect levels between 5 and 10 mIU/mL versus the 20 mIU/mL that most at-home pregnancy tests can detect.
Hormone differences for baby boys and girlsStudies have shown hCG (human chorionic gonadotropin, the hormone responsible for the second line appearing on a home pregnancy test) is higher for female fetuses compared with males, and remains higher throughout pregnancy.
