What a pregnancy test does A pregnancy test is a simple and easy-to-use home diagnostic tool used to detect whether a woman is pregnant. It determines pregnancy by detecting the concentration of human chorionic gonadotropin (hCG) in the urine. Under normal circumstances, hCG is secreted after pregnancy, and the pregnancy test stick will determine whether you are pregnant based on the concentration of hCG. Pregnancy test sticks are convenient, accurate and fast, especially suitable for women who are pregnant for the first time or want to know whether they are pregnant. How to use a pregnancy test stick correctlyUsing a pregnancy test stick correctly can