Can a blood test detect ectopic pregnancy? How to test for ectopic pregnancy

April 18, 2023
There are blood test and imaging test in pregnancy test, the blood test is based on progesterone and hcg content test, some pregnant women also ask to go for imaging test after doing blood test, saying that they want to rule out whether it is ectopic pregnancy, here is a look at can blood draw detect ectopic pregnancy?

Can a blood test detect ectopic pregnancy?

Ectopic pregnancy cannot be detected by blood sampling. Pregnant women will secrete a lot of hcg after pregnancy, and the amount of hcg released by pregnant women with ectopic pregnancy will be significantly reduced, so doctors will ask pregnant women to undergo imaging tests to confirm whether the pregnancy is ectopic.

How much hcg is needed for imaging?

An imaging test is required for an Hcg increase of less than 66% in two days. The amount of hcg secreted by a normally developing villi is very large, and the daily titer keeps rising rapidly, rising more than 66% every 48 hours. Both if the amount of hcg increase is more than 66% every two days, it can be diagnosed as intrauterine pregnancy; while if the increase is less than 66%, there is a high possibility of ectopic pregnancy or intrauterine pregnancy with dysplasia, and imaging tests are needed.

How to confirm the diagnosis of ectopic pregnancy

Ultrasound examination

Ultrasound is the most intuitive and accurate way to confirm the location of the fetus. Through imaging, the specific location of the fetus can be located, and the specific development of the fetus can also be viewed, which is so much more accurate than blood tests.

What to do in case of ectopic pregnancy

Surgical Removal

Ectopic pregnancy is a pregnancy in which the egg grows and develops outside the body cavity of the uterus, including tubal pregnancy, cervical, ovarian and abdominal pregnancy. 98% of ectopic pregnancies are tubal pregnancies. Ectopic pregnancy is one of the common obstetrical and gynecological emergencies that can be life-threatening if not treated in a timely manner. Surgical removal is the fastest and most effective way to deal with ectopic pregnancy and should not be delayed, as early surgery can eliminate the risk.
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