Q:

How long after conception does a blood test show a positive pregnancy result?

A:

Quick Answer

According to About.com, a blood pregnancy test can detect the levels of hCG and show a positive pregnancy result approximately 8 to 10 days after conception. HCG stands for human chorionic gonadotropin, which is a hormone secreted during pregnancy.

Know More
How long after conception does a blood test show a positive pregnancy result?
Credit: UIG via Getty Images Universal Images Group Getty Images

Full Answer

WebMD states that there are two types of blood pregnancy tests: the qualitative hCG test and the quantitative hCG test. A qualitative hCG simply provides a positive or a negative result, while a quantitative hCG gauges the exact levels of hCG in the blood. According to About.com, practitioners can monitor a pregnancy for miscarriage, ectopic pregnancy and the possibilities of multiples using serial blood tests.


Is this answer helpful?

Similar Questions

  • Q:

    How long do you have to wait before taking a pregnancy test?

    A:

    According to the American Pregnancy Association, home pregnancy tests are most accurate after the beginning of the first missed period, or around two weeks after conception. Blood tests performed at a doctor's office can detect pregnancy even earlier, at around seven to 12 days post-conception.

    Full Answer >
    Filed Under:
  • Q:

    How soon can a woman tell if she is pregnant?

    A:

    According to the American Pregnancy Association, a blood pregnancy test can detect pregnancy 7 to 12 days after conception occurs, while a urine pregnancy test can detect a pregnancy approximately two weeks after conception. For a blood pregnancy test, any HCG level greater than 25 milli-international units per milliliter is considered to be positive. The level of HCG required by a urine pregnancy test is anywhere from 25 to 100 milli-international units per milliliter.

    Full Answer >
    Filed Under:
  • Q:

    How long does it take for a blood pregnancy test result to come back?

    A:

    According to Medical Health Tests, it takes between one and two days for a blood pregnancy test result to come back, depending on the individual physician's office and the laboratory used. Blood tests can detect a pregnancy within seven to 12 days from conception.

    Full Answer >
    Filed Under:
  • Q:

    What would cause an inconclusive blood pregnancy test?

    A:

    Blood pregnancy tests can come back with inconclusive results when the level of hormone is not at a detectable level. Such a result does not mean that the individual is not pregnant nor does it definitively mean that she is pregnant.

    Full Answer >
    Filed Under:

Explore