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  2. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.

  3. 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 ...

  4. Confusion of the inverse - Wikipedia

    en.wikipedia.org/wiki/Confusion_of_the_inverse

    In order to identify individuals having a serious disease in an early curable form, one may consider screening a large group of people. While the benefits are obvious, an argument against such screenings is the disturbance caused by false positive screening results: If a person not having the disease is incorrectly found to have it by the initial test, they will most likely be distressed, and ...

  5. Shanna Moakler Says She's Not Pregnant After Receiving a ...

    www.aol.com/shanna-moakler-says-shes-not...

    Shanna Moakler is explaining the events that led to her receiving a false positive pregnancy test. The 46-year-old model and reality star told People earlier this month that she had received a ...

  6. Fact check: Claim that pregnancy can be detected the day ...

    www.aol.com/fact-check-claim-pregnancy-detected...

    A pregnancy test detects the presence of the pregnancy hormone human chorionic gonadotropin in a person’s body. The body doesn’t produce that hormone until several days after conception.

  7. Cryptic pregnancy - Wikipedia

    en.wikipedia.org/wiki/Cryptic_pregnancy

    The term cryptic pregnancy is used by medical professionals to describe a pregnancy that is not recognized by the woman who is pregnant until she is in labor or has given birth. [1] The term is also used online for a special form of false pregnancy (pseudocyesis), or delusion of pregnancy, in which a woman who has no medical verification of ...

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