What do you think of pregnancy test paper?

summary

Female friends pregnant a week later, there will be specific hormones in the urine, human chorionic gonadotropin, referred to as hCG, early pregnancy test paper is based on it to test pregnancy. Many female friends who use it for the first time don't know how to use it correctly. What do you think of the early pregnancy test paper? How to see if you are pregnant? I'd like to share my views with you.

What do you think of pregnancy test paper?

Early pregnancy test paper detection principle early pregnancy test paper for the diagnosis of early pregnancy has brought great convenience. On the seventh day of pregnancy, a specific hormone human chorionic gonadotropin (hCG) can be detected in the urine. Under normal circumstances, the urine drops in the test hole on the test paper, if there is a color band in the control area of the test paper (some test paper shows red, some test paper shows blue), it means not pregnant, on the contrary, if there is an obvious color band in the test area, it means positive, indicating pregnancy.

How to see the early pregnancy test paper? The different display results are as follows: 1. Immerse the early pregnancy test paper in urine, and the results can be obtained in 5 minutes. 2. The test paper of early pregnancy test was negative (-): only one purplish red band appeared in the quality control area (c), and no purplish red band appeared in the test area (T). It's not pregnant. 3. The test paper of early pregnancy test is invalid: there is no purplish red strip in the quality control area (c), indicating that the incorrect operation process or reagent strip has been deteriorated and damaged. 4 early pregnancy test positive (+): two purplish red bands appeared. One is in the test area (T) and the other is in the quality control area (c). It means you are pregnant.

Advantages and disadvantages of early pregnancy test paper: 1. Advantages: early pregnancy test paper has the advantages of fast, convenient, sensitive and convenient detection, which can avoid the cross reaction caused by other glycoprotein hormones with similar structure to hCG. Disadvantages: if the purchased test paper is stored for a long time (more than 1 year), or the test paper is affected with damp, and it is not kept at normal room temperature, it may be invalid. The hCG level in the body is generally low. The test sample needs to stand for more than 3 minutes (generally only 1 minute), and it must be carefully identified whether there is weak positive - the color band in the test area only appears faintly. Early pregnancy test paper can not replace the hospital accurate hCG pregnancy detection, early pregnancy test paper generally only 75% of the detection accuracy, there is a large error value. Therefore, female friends can grasp the correct view of early pregnancy test paper and do a self-test.

matters needing attention

To buy a pregnancy test stick, you must go to a regular drugstore, or at least to a place where you can buy a medical social security card. Be sure to follow the instructions on the box and make sure that the medicine has not expired. It is still necessary to go to the hospital for further diagnosis after pregnancy test. The negative / positive reaction of pregnancy test is not necessarily an abnormal pregnancy, but may be ectopic pregnancy or hydatidiform mole.