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In this tutorial, the presenter demonstrates how to use pregnancy tests with urine samples. Two droppers are utilized: one containing the presenter’s urine, which has HCG indicating pregnancy, and another with her husband’s urine, which should not contain HCG. The procedure involves adding three drops of each urine sample to the respective test areas. After waiting three minutes, the results can be interpreted. The presence of a line in both control areas indicates that the test functioned properly. It's important to note that results should not be read after five minutes, as they would then be considered invalid.
