Level 1: Correct use of self-test pregnancy test paper 1. Purchase appropriate pregnancy test paper When purchasing pregnancy test paper, you need to pay attention to choosing a brand certified by the Food and Drug Administration. In addition, different brands of test strips have different sensitivities. Choose the appropriate sensitivity according to your actual situation. 2. Use the pregnancy test paper correctly. When using the pregnancy test paper, you need to follow the steps in the instruction manual. First collect the urine in a clean container, then dip the test strip into the urine and wait for the specified time to observe the result. It should be noted that the contact area between urine and test paper should be kept dry during the measurement process. 3. Precautions When using pregnancy test paper, you need to pay attention to