Question 1

can a qualitative hcg serum blood test be incorrect?  it says that no hcg was detected or less than 1. can it be incorrect and can i possibly be preg?

Accepted Answer

Possible: If you test too early the test may be negative; the test only measures what is present in the blood, if you test too early, you could be pregnant but HCG level has not reached above the 5 units that is the cut off level for diagnosis of pregnancy. See this site for info on this topic.
http://www.webmd.com/baby/guide/pregnancy-am-i-pregnant.

Question 2

i have an irregular cycle. how many days after sex can i take an hcg blood test for accuracy? my level was 'less than 1.2' 13 days after intercourse

Accepted Answer

About two weeks: You can take a pregnancy test about two weeks after to determine if you are pregnant.

Question 3

does the hcg diet (using injections) effect the beta hcg in a quantatative blood test?

Accepted Answer

Beta HCG : A very good question. The pills and injections given in the "hcg diet" will cause blood and urine levels of bhcg to rise. However, two measurements, a week or more apart, should differentiate between pregnancy ( where the levels will rise predictably) and diet drugs, assuming you are taking a constant dose for the diet treatments.

Question 4

does the hook effect also happens on the blood test quantative, the test the tells you how much hcg you have?

Accepted Answer

: Hook effect is appliable to quantitative results only.
Visit this site for a technical publication on the subject: https://pubmed.ncbi.nlm.nih.gov/33185097/
You may Wikipedia for an easier explanation.

Question 5

quantitative blood test for hcg, what is this?

Accepted Answer

Human Chorionic Gonadotropin: This test comes in two varieties, one a purely "qualitative" one that is intended to detect pregnancy, and a second quantitative one that provides a number, and thus can detect more subtle abnormalities of production either by the fetus, or a tumor.

Question 6

which test is better the quantative or the qualative hcg blood test?

Accepted Answer

: Both qualitative and quantitative HCG tests will confirm pregnancy, and depending on how evolved the growth of the pregnancy is, the quantitative HCG can determine adequate progression of the pregnancy.

Question 7

is a quantitative blood test the best test to confirm pregnancy for women with low hcg? will it detect pregnancy?

Accepted Answer

: HCG is only positive with pregnancy, but low levels can also accompany pregnancies outside the uterus (ectopic).  A quantitative HCG is usually done to ascertain normal progression of the pregnancy.

Question 8

is hooks effect seen in quantitative beta hcg blood test? does it have to be diluted to check if high levels if present?

Accepted Answer

No: The effect is only seen in some one step HCG urine tests. Serum quantitative tests are not subject to the effect.

Question 9

can hcg of 250, 000 mi/u(whch is the highest during preg) b detected by quantitative beta hcg blood test, without dilutin it?or do they hav to dilute?

Accepted Answer

Yes: Quantitative HCG can detect the high numbers.

Question 10

is a quantitative blood test accurate at 22 days after sex? my normal hcg level is 3. would it show if i was pregnant by 3 weeks after intercourse?

Accepted Answer

: Conception occurs within day or so of the sex. It takes about 3 weeks for the embryo to make enough HCG for a positive pregnancy test. Blood test may be done a day after a missed period, HCG more than 25 indicates pregnancy. Home pregnancy tests should be done 4-5 days after the missed period. If the result is negative repeat the test in 4-5 days. Use first morning urine.

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Doctor answers about:

Accuracy hcg quantitative serum blood test

A member asked:

Can a qualitative hcg serum blood test be incorrect? it says that no hcg was detected or less than 1. can it be incorrect and can i possibly be preg?

A member asked:

I have an irregular cycle. how many days after sex can i take an hcg blood test for accuracy? my level was 'less than 1.2' 13 days after intercourse

A member asked:

Does the hcg diet (using injections) effect the beta hcg in a quantatative blood test?

A member asked:

Does the hook effect also happens on the blood test quantative, the test the tells you how much hcg you have?

A member asked:

Quantitative blood test for hcg, what is this?

A member asked:

Which test is better the quantative or the qualative hcg blood test?

A member asked:

Is a quantitative blood test the best test to confirm pregnancy for women with low hcg? will it detect pregnancy?

A member asked:

Is hooks effect seen in quantitative beta hcg blood test? does it have to be diluted to check if high levels if present?

A member asked:

Can hcg of 250, 000 mi/u(whch is the highest during preg) b detected by quantitative beta hcg blood test, without dilutin it?or do they hav to dilute?

A member asked:

Is a quantitative blood test accurate at 22 days after sex? my normal hcg level is 3. would it show if i was pregnant by 3 weeks after intercourse?

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