The pregnancy test stick can be taken at noon, but it is less accurate compared to the morning, and the morning urine is usually chosen for testing. This is because when the test is taken at noon, people have generally eaten and drank, and the urine is mixed with more substances, which will have a certain impact on the accuracy of the test strip, and some women may already be pregnant, but it will be difficult to test accurately with the pregnancy test stick. Therefore, when using a pregnancy test stick, the morning urine is usually chosen after 14 days of sexual intercourse, when the concentration of urine is higher and the concentration of effective substances it contains is also higher, so it is easier to detect whether you are pregnant. If a control line appears on the pregnancy test, it means that you are not pregnant, and if two colored lines appear, it means that you are pregnant. Alternatively, if you have doubts about the results of the pregnancy test, you can choose to go to the hospital to have your blood drawn to check the concentration of HCG in your blood to determine if pregnancy has occurred, which is a more accurate way to determine pregnancy. In addition, an ultrasound can be performed to rule out the possibility of ectopic pregnancy.