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  2. Fertility awareness - Wikipedia

    en.wikipedia.org/wiki/Fertility_awareness

    A positive ovulation predictor kit result is usually followed by ovulation within 12–36 hours. Saliva microscopes, when correctly used, can detect ferning structures in the saliva that precede ovulation. Ferning is usually detected beginning three days before ovulation, and continuing until ovulation has occurred. During this window, ferning ...

  3. Creighton Model FertilityCare System - Wikipedia

    en.wikipedia.org/wiki/Creighton_Model_Fertility...

    This model, like the Billings ovulation method, is based on observations of cervical mucus to track fertility. Creighton can be used for both avoiding pregnancy and achieving pregnancy. Creighton can be used for both avoiding pregnancy and achieving pregnancy.

  4. 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.

  5. Conception device - Wikipedia

    en.wikipedia.org/wiki/Conception_device

    The chart should show low temperatures before ovulation in the follicular phase, and higher ones after ovulation in the luteal phase. Using a basal thermometer in connection with a chart over several months should show the best times when conception can take place and enable the planning of intercourse or artificial insemination.

  6. Fertility testing - Wikipedia

    en.wikipedia.org/wiki/Fertility_testing

    This test can recognize the LH surge about 1-1.5 days prior to ovulation. Additionally, some ovulation prediction kits detect estrone-3-glucuronide. This is a breakdown product of estrogen and will have increased levels in the urine around the time of ovulation. This test is able to detect luteinizing hormone and estrone-3-glucuronide 90% of ...

  7. Period-Tracking Apps Aren't The Most Foolproof Way To Track ...

    www.aol.com/lifestyle/period-tracking-apps-arent...

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  8. Decision curve analysis - Wikipedia

    en.wikipedia.org/wiki/Decision_curve_analysis

    Net benefit is a weighted combination of true and false positives, where the weight is derived from the threshold probability. The predictor could be a binary classifier, or a percentage risk from a prediction model, in which case a positive classification is defined by whether predicted probability is at least as great as the threshold ...

  9. What Really Causes a False Positive COVID-19 Test? Experts ...

    www.aol.com/false-positive-covid-19-test...

    False positive COVID-19 tests—when your result is positive, but you aren’t actually infected with the SARS-CoV-2 virus—are a real, if unlikely, possibility, especially if you don’t perform ...

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