Understand the results display methods of different types of pregnancy test sticks. The pregnancy test stick is a tool used to detect whether the human urine contains progesterone. There are various types of pregnancy test sticks currently on the market, the most common of which is the two-bar pregnancy test stick. Different models of pregnancy test sticks also display different results. The following will introduce the results display methods of different models of pregnancy test sticks from four aspects. First: Digital display model Digital display model pregnancy test stick usually displays the measured value after detecting progesterone. The higher the value, the clearer the display.