Weak positive pregnancy blood test, Weak positive indicates that you are in the early stages of pregnancy when your hormones have not yet developed sufficiently to produce a strong line. Human chorionic gonadotropin (HCG) is a hormone that can be detected in blood testing to establish pregnancy (hCG). These tests are more sensitive than urine tests and can detect a pregnancy earlier than urine testing. When blood pregnancy tests detect 1 to 2 mIU/mL (milli-international units per milliliter), urine pregnancy tests require hCG levels of 20 to 50 mIU/MLS to be a weak positive pregnancy blood test.
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how soon can a blood test detect pregnancy
Weak positive pregnancy blood test
A weak or faint positive occurs when you test your urine with a home test kit,
And the line at T contains a faint but discernible pink line along with the clear line on C.
That you are pregnant, yet there isn’t a lot of HCG in your system.
A thin or poorly colored line, on the other hand, indicates pregnancy!
And so on in blood tests.
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Related: Pregnancy test kit and its function
where to get a pregnancy blood test
Reasons for a Pregnancy Test by Blood
The sensitivity of blood pregnancy tests is higher than that of urine pregnancy tests.
They’re usually reserved for people who are having trouble conceiving or have had a miscarriage.
As early as nine days after conception, a blood test can confirm pregnancy.
Urine pregnancy tests might take up to ten days to complete.
Pregnancy tests must be performed at a doctor’s office.
To get the best reliable result, your doctor may urge you to wait until you miss a period to perform any type of pregnancy testing.
A false negative can result from testing too soon.
Unlike home pregnancy tests, you’ll have to wait for the results of a blood pregnancy test from the lab.
Testing: Qualitative vs. Quantitative
Blood pregnancy tests are divided into two categories:
- Test for qualitative blood serum:
This will determine whether hCG is present, essentially giving you a yes (you’re pregnant) or no (you’re not pregnant) answer.
The hCG blood test is nearly as accurate as a pee test at home.
- The quantitative blood serum test,
commonly known as the beta hCG test, determines the precise amount of hCG in your blood.
This test is extremely accurate since it can detect even minute quantities of hCG.
This test, combined with ultrasonography, is used by doctors to determine an early pregnancy loss.
Related: Home pregnancy test
Blood Pregnancy Tests Have Drawbacks
Even while a blood pregnancy test can be done sooner, the results can take longer to arrive than a urine test.
The time it takes for findings to appear varies from test to lab and might be anywhere from an hour to a few days.
Blood pregnancy tests must be done at your doctor’s office, which adds to your time commitment.
The cost of a blood test is higher than that of a home pregnancy test (depending on doctor and lab fees).
It is more convenient to wait a few days before performing a home urine test.
Related: irregular periods and pregnancy calculator
In the end, remember that a weak positive pregnancy blood test means that you are at the beginning of pregnancy or that your pregnancy is still in its first week, so you have to be careful to keep your fetus in good health.
Related: How to use pregnancy test
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