The hCG assay or pregnancy test. Clin Chem Lab Med. Human chorionic gonadotropin in pregnancy diagnostics. Clinica Chimica Acta. Seeber BE. What serial hCG can tell you, and cannot tell you, about an early pregnancy. Fertil Steril.
American Pregnancy Association. Terminology for pregnancy loss prior to viability: a consensus statement from the ESHRE early pregnancy special interest group. Hum Reprod. Your Privacy Rights. To change or withdraw your consent choices for VerywellFamily. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. These choices will be signaled globally to our partners and will not affect browsing data. We and our partners process data to: Actively scan device characteristics for identification.
I Accept Show Purposes. Normal hCG Doubling Times. Was this page helpful? That said, it is important that your hCG levels increase during early pregnancy.
If your hCG levels don't continue to rise rapidly during the first few weeks or if they start to drop, this can signal a problem such as an ectopic pregnancy or miscarriage.
Higher-than-typical hCG levels can signal that you're carrying multiples or, in rare cases, have a molar pregnancy. Often, you won't know what your hCG levels are during pregnancy. Home pregnancy tests don't give a specific hCG number. However, you may learn your hCG levels if your provider orders a blood test to confirm your pregnancy or as part of a screening test.
Your provider may also order a series of two or more hCG blood tests if he or she has concerns about how your pregnancy is progressing.
These blood tests, taken two to three days apart, can tell your provider whether your hCG levels are trending in the right direction. While hCG levels can vary widely from person to person and from pregnancy to pregnancy, they tend to fall within a range.
Below is the average hCG range during pregnancy, based on the number of weeks since your last menstrual period Note, if your cycle is irregular, these numbers may not apply. All about home pregnancy tests. BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. When creating and updating content, we rely on credible sources: respected health organizations, professional groups of doctors and other experts, and published studies in peer-reviewed journals.
We believe you should always know the source of the information you're seeing. Learn more about our editorial and medical review policies. American Pregnancy Association. What is HCG? Betz, D. Human Chorionic Gonadotropin. Kaiser Permanente. Join now to personalize. Photo credit: iStock. What is hCG? What hCG levels mean in pregnancy Your hCG levels at any particular point in time during pregnancy don't mean much.
This is most often taken from a vein. The procedure is called a venipuncture. When the needle is inserted to draw blood, some people feel moderate pain. Others feel only a prick or stinging sensation. Afterward, there may be some throbbing. HCG appears in the blood and urine of pregnant women as early as 10 days after conception. Quantitative HCG measurement helps determine the exact age of the fetus.
It can also assist in the diagnosis of abnormal pregnancies, such as ectopic pregnancies, molar pregnancies, and possible miscarriages. It is also used as part of a screening test for Down syndrome. This test is also done to diagnose abnormal conditions not related to pregnancy that can raise HCG level.
In pregnancy, HCG level rises rapidly during the first trimester and then declines slightly. The expected HCG ranges in pregnant women are based on the length of the pregnancy. Normal value ranges may vary slightly among different laboratories.
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