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Test methods and results of early pregnancy test paper

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Generally speaking, early pregnancy test paper is a kind of product which is convenient for women to test whether they are pregnant or not. Detection of early pregnancy test paper: If urine droplets appear in the test hole on the test paper, such as a colored band in the control area of the test paper (some of the test paper is red, some of the test paper is blue), it means negative, indicating not pregnant; conversely, if there is a clear color band in the test area, it means positive, indicating already pregnant; early pregnancy test paper can only be used as a preliminary screening test, false positive or false positive will appear. False negative.


I. Test methods for early pregnancy test paper


1. Use disposable urine cups or clean containers to collect urine.


2. Tear along the incision of the aluminium foil bag and take out the test paper for testing.


3. Strip: Immerse one end of the test paper with arrow marks in a container containing urine samples to be examined.


4. Observe the test results in the test area: Observe the test results in 5-10 minutes. The color was strongly positive within 40 seconds.


2. Test results of early pregnancy test paper


1. Negative: A purple-red line appeared in the test area (line C of the control line), indicating that she was not pregnant.


2. Positive: There are two purple-red lines in the test area (control line C and detection line T), indicating pregnancy. The color intensity of the test line at different stages of pregnancy changes with the change of HCG concentration.


3. Invalidation: There is no purple-red line in the test area or only one purple-red line in the test area (T line of the test line), indicating that the test failed or the test paper was invalid, and it should be retested.


In addition, pay attention to urine dilution. If you drink too much water to dilute your urine, it may lead to false negative results. Do not use expired test paper. Because the chemical reagent will lose its effectiveness after a long time, we should pay attention to the production date when purchasing it. Do not use damp test paper.


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