Pregnancy test stick is the morning urine test is accurate, not the morning urine test, the accuracy is relatively low, it is generally recommended to delay menstruation or sex two weeks after the use of morning urine for testing, so that the accuracy of some of the higher.
Pregnancy test is based on human chorionic gonadotropin in human urine to detect.
The main reason for using morning urine for pregnancy test is that morning urine is stored for a long time at night, and the content of human chorionic gonadotropin in the urine is relatively high, and the test results are relatively accurate, especially in the early stages of pregnancy, and if you choose to use the urine from other times to test, there may be false-negative results, and the accuracy rate is relatively low.
It is recommended that women take a pregnancy test after two weeks of delayed menstruation or sexual intercourse. If the test result is positive with two lines, it is considered to be pregnant; if the test result is one line, it is considered to be not pregnant. However, the pregnancy test may also have some error, the positive test women can go to the regular hospital to check the blood HCG for a clear diagnosis.