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  2. Antinuclear antibody - Wikipedia

    en.wikipedia.org/wiki/Antinuclear_antibody

    Positive ANA as well as anti-DNA antibodies have been reported in patients with autoimmune thyroid disease. [67] [68] ANA can have a positive test result in up to 45% of people with autoimmune thyroid conditions or rheumatoid arthritis and up to 15% of people with HIV or hepatitis C.

  3. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    A modern hormone pregnancy test, showing a positive result A series of pregnancy test strips, taken one per day at the beginning of a pregnancy. A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine ...

  4. Rabbit test - Wikipedia

    en.wikipedia.org/wiki/Rabbit_test

    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. While many people assumed that the injected rabbit would die only if the woman was pregnant, in fact all rabbits used for the ...

  5. Here's what pregnancy actually looks like before 10 weeks ...

    www.aol.com/lifestyle/heres-pregnancy-actually...

    Women’s health expert Dr. Jennifer Wider tells Yahoo Life that “weeks 5 to 9 is the early time period in a pregnancy. At 5 weeks, the embryo is a mass of cells with a developing neural tube ...

  6. Prenatal testing - Wikipedia

    en.wikipedia.org/wiki/Prenatal_testing

    By comparison, in the same 4000 women, a screening test that has a 99% sensitivity and a 0.5% false positive rate would detect all 10 positives while telling 20 normal women that they are positive. Therefore, 30 women would undergo a confirmatory invasive procedure and 10 of them (33%) would be confirmed as positive and 20 would be told that ...

  7. Extractable nuclear antigen - Wikipedia

    en.wikipedia.org/wiki/Extractable_nuclear_antigen

    Indeed, in 84.3% of positive anti-ENA samples, ANA reagents were also found. [1] The use of anti-ENA autoantibody tests can serve as additional verification of an autoimmune disorder, because a positive ANA test alone does not suffice for diagnosis. In fact, low levels of ANAs can be found in healthy patients.

  8. False-positive mammograms discourage women from breast ... - AOL

    www.aol.com/lifestyle/false-positive-mammograms...

    Every year, millions of women get mammograms to screen for breast cancer. About 10% of them are called back for further testing. And 7% to 12% of those women receive a false-positive result ...

  9. Anti-neutrophil cytoplasmic antibody - Wikipedia

    en.wikipedia.org/wiki/Anti-neutrophil_cytoplasm...

    Immunofluorescence (IF) on ethanol-fixed neutrophils is used to detect ANCA, although formalin-fixed neutrophils may be used to help differentiate ANCA patterns. ANCA can be divided into four patterns when visualised by IF; cytoplasmic ANCA (c-ANCA), C-ANCA (atypical), perinuclear ANCA (p-ANCA) and atypical ANCA (a-ANCA), also known as x-ANCA. c-ANCA shows cytoplasmic granular fluorescence ...