When is the most accurate time to use a pregnancy test?

　　The main principle of pregnancy test stick is to detect HCG value, that is, the value of human chorionic gonadotropin in one month of pregnancy. is pregnant female A hormone secreted by the body that exists in urine and blood. It usually appears in urine a few days after pregnancy. However, due to the small amount of pregnancy, it is not easy to detect at first, and it does not become more obvious until 10 to 14 days. Therefore, it is recommended to test 10-14 days after menstruation is delayed, and try to use the first urine in the morning for testing.

　　When is the most accurate time to use a pregnancy test stick?

　　The test is relatively accurate when one month pregnant or 7-10 days after menopause. When using it, you should choose the first urination in the morning for higher accuracy. Generally, HCG is released between the fertilized egg and sperm It takes several days to appear in urine after binding, and it takes a certain ratio to be detected. It also has something to do with the method used. If the method is used improperly, there will be errors.

　　Using a pregnancy test stick in the morning and evening may also have different effects on the results. Morning urine generally has the highest HCG value, so many instructions recommend testing when you get up in the morning, but this is not absolute. I would like to give you a piece of advice. Early pregnancy test strips are not the most accurate. There are times when the test is inaccurate. It is only used as a standard for preliminary examination. It is best to go Hospital Do an HGC check.

　　How long does it take for a pregnancy test stick to detect pregnancy? Some people have misconceptions. They can use test strips to test on the day they suspect pregnancy, or the couple rushes to buy test strips to test on the second day after having sex. The results are predictable. When using test strips, be careful. It takes a few days for the test strips to detect pregnancy. The couple took a test strip to test on the second day of intercourse. At this time, it is almost difficult to use a pregnancy test stick to detect whether they are pregnant. The result is often that the second horizontal bar does not appear, but this does not mean that there is no pregnancy. Choose morning urine for self-test at least 10 days after having sex. The concentration of HCG in the urine after getting up in the morning is higher. Sperm and egg combine to form a fertilized egg and enter Uterus It takes several days for implantation and embryo formation. HCG will not appear in the blood until several days after pregnancy, and because the amount is small, it may not be detected at the beginning.

　　Let’s take a look at how to use the pregnancy test stick

　　Use morning urine : Try to use the first urine test in the morning, because hormone levels are easiest to detect at this time. If this is not possible, ensure that the urine has been in the bladder for at least 4 hours before testing.

　　drink less water : Don’t drink too much water to increase urine flow, as this will dilute hormone levels.

　　Follow the instructions strictly : Read the instructions carefully before starting the test and follow each step accurately. Some medications may affect test results, so be sure to read label instructions carefully.