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  2. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2] Almost all pregnant women will have a positive urine pregnancy test one week ...

  3. What does a faint line on a rapid COVID-19 test mean? - AOL

    www.aol.com/faint-line-covid-19-test-225851470.html

    When it's time to take a test, experts want you to know what the line on your test actually means and whether a darker or lighter positive line on a COVID-19 test can tell you anything about your ...

  4. Linea nigra - Wikipedia

    en.wikipedia.org/wiki/Linea_nigra

    Linea nigra (Latin for "black line"), colloquially known as the pregnancy line, manifests as a linear area of heightened pigmentation frequently observed on the abdominal region during pregnancy. [1] Typically spanning approximately one centimeter (0.4 in) in width, this brownish streak extends vertically along the midline of the abdomen ...

  5. Rabbit test - Wikipedia

    en.wikipedia.org/wiki/Rabbit_test

    The rabbit test became a widely used bioassay (animal-based test) to test for pregnancy. The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test.

  6. Pregnancy tests using animals - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_tests_using_animals

    The hCG test can be used to screen for uterus cancer, or a molar pregnancy, which is when there is abnormal placental growth in the uterus. [9] The hCG test can also be done after a miscarriage to ensure that a molar pregnancy is not present. In men, the hCG test can be used to screen for the presence of testicular cancer. [9]

  7. Does a Faint Line on a COVID Test Mean You Have COVID? - AOL

    www.aol.com/does-faint-line-covid-test-130000248...

    “A faint line on a COVID test means the test is positive,” says infectious disease expert Amesh A. Adalja, M.D., a senior scholar at the Johns Hopkins Center for Health Security.

  8. Got a Faint Line on a COVID-19 Home Test? Here's What ... - AOL

    www.aol.com/lifestyle/got-faint-line-covid-19...

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  9. Lateral flow test - Wikipedia

    en.wikipedia.org/wiki/Lateral_flow_test

    The control line of this pregnancy test is blank, making the test invalid. Most tests will incorporate a second line which contains a further antibody (one which is not specific to the analyte) that binds some of the remaining colored particles which did not bind to the test line.