Can hCG levels be used to test the viability of pregnancy?

Although there is some evidence that measuring serum hCG is helpful in the diagnosis of an ectopic pregnancy11, 12, most studies have concluded that it cannot discriminate between viable and non-viable intrauterine pregnancies13. 31 окт. 2002 г. Blood hCG levels are useless for testing the viability of the pregnancy if the hCG level is well over 6,000 and/or after 6-7 weeks days of the pregnancy. In general, after 6-7 weeks the best indication of a healthy pregnancy is a good fetal heartbeat. The hCG levels should not be used to date a pregnancy since these numbers can vary so widely. There are two common types of hCG tests. A qualitative test detects if hCG is present in the blood. A quantitative test (or beta) measures the amount of hCG actually present in the blood.The hCG ratio can predict the ultimate viability of the intrauterine pregnancies of uncertain viability in the pregnancy of unknown location population. Hum Reprod. 2008 Sep;23 (9):1964-7. doi: 10.1093/humrep/den221. Epub 2008 Jun 10.



Do hCG levels determine viable pregnancy?

Doctors chiefly use doubling times to confirm a pregnancy, not diagnose a miscarriage. According to the journal Obstetrics & Gynecology , a 53 percent or greater rise in hCG levels after two days can confirm a viable pregnancy in 99 percent of pregnancies.

How do they test for viable pregnancy?

The first two months of pregnancy are critical. These months help your Ob/Gyn understand a lot of things to determine if the pregnancy is normal and progressing well. To do so, there is a scan called the fetal viability scan, also known as the date scan, which is mostly an abdominal scan.

Can hCG levels be used to date a pregnancy?

The hCG levels should not be used to date a pregnancy since these numbers can vary so widely. There are two common types of hCG tests. A qualitative test detects if hCG is present in the blood. A quantitative test (or beta) measures the amount of hCG actually present in the blood.

What are hCG levels and why are they important?

HCG levels are an important indicator of the health and viability of an early pregnancy. After all, hCG levels are what pregnancy tests measure to tell you whether or not you’re pregnant. But there’s more to hCG than a second line on a pregnancy test.

Can the hCG ratio predict pregnancy viability?

We found that the HCG ratio with a cut-off value of 1.82 has a sensitivity 94.7% and a specificity of 98.2% and an area under the curve of 98% and can be used to predict pregnancy viability. The performance of the HCG ratio in the present study was better than a single measurement of HCG.

How accurate is the hCG test at 5 weeks?

The results from an ultrasound after 5 -6 weeks gestation are much more accurate than using hCG numbers. 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.

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