The Gudnews PDC One Step HCG Urine Pregnancy Test Kit is a home pregnancy test that is designed to be easy to use and provide results within 5 minutes. It detects the presence of the human chorionic gonadotropin (hCG) hormone in urine, which is produced by the developing placenta during pregnancy. Gudnews PDC One Step HCG Urine Pregnancy Test Kit. Here are the general steps on how to use a Gudnews PDC One Step HCG Urine Pregnancy Test Kit Collect a urine sample in a clean, dry container. It is generally recommended to use the first morning urine as it usually contains the highest concentration of hCG. Using the dropper, transfer a few drops of urine into the sample well on the test cassette. Wait for the specified amount of time for the results to appear. This is usually around 5 minutes. Interpret the results according to the instructions provided in the test kit. A positive result typically indicates the presence of two lines on the test cassette, while a negative result shows only one line. It is important to note that home pregnancy tests may not be 99% accurate, especially if used too early after conception.