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In the tutorial, the presenter discusses how to use droppers to conduct a pregnancy test using urine samples. They have two droppers: one containing their own urine, which has HCG (confirming a pregnancy), and another with their husband's urine, which lacks HCG. The process involves adding three drops of urine from each dropper to the respective tests and waiting for three minutes for results. It's emphasized not to read the results after five minutes, as they would be invalid. After the waiting period, the presenter checks the tests, noting that a line in both control areas indicates that sufficient urine was added and that the tests are functioning correctly.